Doc Johnson Signature Series - Girthmasterr - 8.5 Inch Realistic ULTRASKYN Dildo with Removeable Vac-U-Lock Suction Cup - F-Machine & Harness Compatible - for Adults Only, Vanilla
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Availability:
In Stock.
Arrives
Jul 22 – Jul 23
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Size: Girthmasterr-8.5 Inch
Features
- Approximate Dildo Dimensions; Total Length: 9 in. (22.9 cm), Insertable Length: 7.25 in. (18.4 cm), Width/Diameter: 2.5 in. (6.4 cm), Circumference: 7 in. (17.8 cm)
- Handcrafted from ULTRASKYN, for The Ultimate Feel | Molded Directly from Girthmasterr
- Incredibly Lifelike Look and Feel | Textured Veins for Added Stimulation | Dual Density Design Feels Real | Soft Exterior and Firm Core
- Removable Vac-U-Lock Suction Cup for Hands-Free Play | Vac-U-Lock and O-Ring Harness Compatible | Includes Bag for Discreet Travel and Storage
- Phthalate-Free, Body-Safe | For Adults Only
Description
Girthmasterr's Signature Series Dildo certainly lives up to his name and is molded directly from his body. It comes with a fabric bag for discreet travel and storage. It also comes with a removeable Vac-U-Lock Suction Cup. Total Length: 9 in. (22.9 cm), Insertable Length: 7.25 in. (18.4 cm), Width/Diameter: 2.5 in. (6.4 cm), Circumference: 7 in. (17.8 cm). Constructed of Dual Density ULTRASKYN material this product is designed to mimic the the feel of a real penis. The ULTRASKYN material on the inside of the dildo is firm while not being overly rigid. The ULTRASKYN material on the outside is soft and feels just like skin of an erect penis. The ULTRASKYN material readily absorbs body heat and quickly warms to a body temperature. This dildo features a removable Vac-U-Lock suction cup. With the suction cup attached the dildo will stick to most non-pourous smooth surfaces. With the suction cup removed this dildo can be attached to any of the Vac-U-Lock harnesses for a completely different experience. It can also be attached a any thrusting machine that utilizes the Vac-U-Lock system. The possibilites are endless. Like all products produced by Doc Johnson the materials used are phthalate- free and body-safe. For Adults Only.
Color: Vanilla
Material: ULTRASKYN (TPE)
Brand: Doc Johnson
Model Name: Girthmasterr
Style: Girthmasterr
Product Dimensions : 8.9 x 2.3 x 2.3 inches; 1.31 Pounds
Item model number : 8160-38-AM
Department : Adults
Date First Available : August 12, 2024
Manufacturer : Doc Johnson
Customer Reviews: 4.1 4.1 out of 5 stars (463)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Jul 22 – Jul 23
This item is non-returnable:
Non-returnable due to Product safety reasons
View our full returns policy here.
Non-returnable due to Product safety reasons
View our full returns policy here.
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Top Amazon Reviews
Size: Girthmasterr-8.5 Inch
I don’t know what’s more unbelievable to think that man is walking around with this monster in his pants or to think there are women who are out there getting destroyed by it! I guess it’s in the name.. “Girth”.. The thing is THICK. Thicker than a standard 16oz water bottle and longer. It’s quite a stunning peen. As far as the quality goes so far so good. The suction cup is strong enough to hold the massive weight of the toy. There are no defects in the molding. It feels very real. My friend was grossed out by it because it feels so lifelike. The ULTRASKYN gets very tacky so it has to be stored correctly every time if you want to maintain it! A little corn starch and back into its dust bag helps. Overall I’m very pleased with it. It’s definitely not for beginners, keep that in mind before you buy.
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Reviewed in the United States on July 1, 2026 by Amazon Customer
Size: Isiah Maxwell-10 Inch
This is a well-executed toy if you’re specifically looking for a longer, more realistic profile without too much thickness. The standout here is the ULTRASKYN material. It has that soft, slightly tacky feel that does a good job mimicking real skin, especially with the dual-density design. There’s enough give on the outside while still maintaining a firm core, so it doesn’t feel flimsy or overly rigid. That balance makes a noticeable difference in use. Size-wise, it leans long rather than wide. At 1.5 inches diameter thickness, it stays in a range that’s manageable for most people, while the added length gives you more flexibility in how you use it. The detailing is also well done. The veining and overall sculpt add texture without being overdone, so it enhances the experience without becoming distracting. The thickness and weight are actually just the sweet spot. Overall, this is a strong option if you prioritize realistic feel and a longer profile over maximum girth. The material quality is the highlight and really carries the experience.
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Reviewed in the United States on April 12, 2026 by Amazon Customer
This review is for Lucas frost. Excellent toy. Perfect size. Nice girth. Only five inches of insertable length but I had a fantastic time. Every inch felt perfect. Good quality. Excellent to use while watching frost's amazing videos. Has weight to it and feels like the real thing. Shipped discreetly. Any fan of Lucas should buy this! Best toy ever.
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Reviewed in the United States on February 9, 2026 by Starfire leo
Size: Brickzilla-13 Inch
Update, the stupid vacu suction thing broke the dildo after 3 attempts to use it. This thing has been horrible, no matter how hard you try, after halfway u can't slide it in anymore because it starts to bend and flop like a limp noodle. Once you go black you CAN go back with this one. Such a sad reality The Johnson is something, it is hella thick, it does in fact feel real in a strangely weird way. I sadly have to say it's near unusable, the little suction thingy, TERRIBLE, I wish I could say it sucks, but it doesn't suck at all, it slips and slides everywhere. I SRSLY DISLIKE this suction thing, it makes it impossible to use the Johnson when it's sliding along with it. Using it without the suction is difficult too, the thing is huge, it's too smooth to get a grip. Considering the suction thing is detachable, it leaves a big gaping hole in the back of the toy, so when you clean it, it's tedious to clean out the hole and drying it. I was really excited for this to arrive but I am let down so far by every aspect of it. Obviously I wouldn't know the genuine brickzilla but something tells me the real thing isn't as bendy and floppy as this one, I understand it's a toy but I feel a bit more sturdiness could help with a lot of the self play issues
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Reviewed in the United States on June 5, 2026 by ME
Size: Hollywood Cash-11 Inch
I'm the type of guy with a big appetite, that always wants to eat what's in front of me...I want to be good at it, so I had to fix my reflexing, in came the Isiah Maxwell and I found myself consuming it within a week...I truly enjoyed what Isiah's brought to the table but it wasn't enough...next came Hollywood Cash and I thought OH MY GOD but after a few sessions my reflexing was completely gone and I consumed it in its entirety...it was truly an amazing feeling but I wanted more...hello Damion Dayski, now that's a monster if I ever saw one...all I could think about was swallowing every inch...I've had it for some time and if not for the last two fingers, I would have consumed this too...i'll keep trying...it's thicker than I visioned it and gives a wonderful stretch...the real feel as it gets wet becomes very slippery which is helpful in the consumption...all in all this is a GREAT TOY to add to your collection for whatever application you desire.
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Reviewed in the United States on September 5, 2025 by Ant
Size: Dan Damage-10 Inch
Great size for length and girth, but it is smooth with no veins or skin texture, and just feels like a big piece of rubber. Disappointed.
Reviewed in the United States on March 23, 2026 by Jason H.
Size: Chad White-8.5 Inch
Pros: •Skin like feel - Very smooth to the touch •Size - I absolutely loved the size of this thing. Felt completely filled in all the right areas! •Hardness - I loved the feeling the dual density brought along with this toy! Very life like! Smooth soft exterior but a nice firm core interior. Cons: •Shape - I love, love, love the shape of the toy in the photo! It's the reason I got the toy. Unfortunately, it is curved upwards in person. While that might be a pro for some, it was painful for me. I know that I can't enjoy curves so I was looking for a non-curved toy. From the pictures it lead me to believe I was getting something else. (The toy itself looks just like the photo! It's just the curve that is not portrayed in the photos) •Materials - This is NOT medical grade silicone so this will harbor bacteria and is most likely not body safe. With that in mind just use protection and clean the toy after every use! - Also it looks like it could melt if not stored correctly! I absolutely adore this toy! I definitely recommend if you're okay with the cons! Pros are amazing and would totally outweigh the cons if I were able to take an upwards pointed curve. Just hits me in all the wrong places!~
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Reviewed in the United States on October 14, 2024 by Rex
Size: Damion Dayski-12 Inch
Not gonna lie, it’s built like Frankenstein, but it’s pretty nice though. By far the biggest one I have so far, bigger than the rest. Looks like a challenge as soon as you pullout out of the box. I have the BrickZilla toy as well, it is bigger and thicker (Woah) than the Damion Dayski toy. The brickZilla is almost too much to handle, especially that curve at the end…it is bigger than Damion Dayski in length and especially girth.
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Reviewed in the United States on December 29, 2025 by B