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Doc Johnson

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

  • Based on 424 reviews
Condition: New
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Availability: In Stock.
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Arrives Sep 9 – Sep 10
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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


Date First Available ‏ : ‎ August 12, 2024


Manufacturer ‏ : ‎ Doc Johnson


Customer Reviews: 4.2 4.2 out of 5 stars 424 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 9 – Sep 10

This item is non-returnable:

Non-returnable due to Product safety reasons

View our full returns policy here.

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  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews

    • Slim, long, and feels amazing
Size: Isiah Maxwell-10 Inch
Review Image by Abeo Abeo
Fantastic dildo if you take good care of it - read the instructions for storage and cleaning, corn starch to protect the material, and you'll be fine. I wish it was a little bit thicker, but it's a good starter toy. The curve is gentle, but nice. I use it along with a handle/grip attachment instead of the suction cup mount it came with. My one complaint is that the suction cup mount that came with it crumbled and was a lot of hassle to clean out of the bottom of the toy. The replacement hard vac-u-lock mounts work great though. That, and the balls could have been heavier. They don't really "slap", not even on long/hardish strokes. (Edited/blurred picture background for privacy) ... show more
Reviewed in the United States on December 31, 2024 by Abeo Abeo
    • A Real Game-Changer in the Bedroom
Size: Girthmasterr-8.5 Inch
As a straight guy, I never thought I’d be saying this, but the Doc Johnson Girthmaster has really expanded my horizons... in more ways than one. At 8.5 inches, it’s got the size, and with the removable Vac-U-Lock suction cup, it's versatile enough to keep both of us happy. I use it on my wife, and let’s just say, she’s as impressed as I am (though I’m definitely the one who gets the most exercise). When the roles reverse and she’s pegging me, the harness compatibility is a game-changer. It’s the ultimate dual-purpose tool: satisfies both of us while providing a few chuckles along the way. 10/10—would recommend for adventurous couples looking to spice things up in all directions. ... show more
Reviewed in the United States on May 21, 2025 by AMZ Keith
    • Deliciously soft
Size: Girthmasterr-8.5 Inch
Nothing short of amazing. Real diameter is around 2.3" which is what I was looking for as an upgrade from a slightly thicker than 2" that I already have. I hesitated buying this at first. I've wasted money with items here that were too hard and was skeptical. But gosh, this thing is so soft and amazing. Not for the guys who are anal play beginners but if you're looking for a stretch upgrade ;-) go for it. You'll love this! ... show more
Reviewed in the United States on May 16, 2025 by CgA
    • (Buyer Beware) Doc Johnson Vac-U-Lock Products Have a Defect
Size: Damion Dayski-12 Inch
Review Image by Christopher Soto Christopher Soto
Other than the terrible suction cup, the product *was* great. Emphasis on *was* as after 3 months of relatively light use; it broke in the same way the last Doc Johnson vac-u-lock product I've owned broke. The vac-u-lock attachment basically pokes through during use and eventually bores a hole right through the thing making it unusable. The best part; it's 4 days out of warranty. So awesome; it lasted me barely long enough to outlast the warranty. Buyer beware; this is definitely a defect as it's happened on two different model vac-u-lock products I've bought from Doc Johnson. Meanwhile; I've never had an issue with similarly mounted toys. Might reconsider my review if the company reaches out and tries to make things right. But I feel like this review should still exist so others know not to waste their time. ... show more
Reviewed in the United States on August 22, 2025 by Christopher Soto Christopher Soto
    • Very satisfied
Size: Dredd-13.5 Inch
The quality is amazing and and it feels wonderful and is extremely well made and definitely worth the money.
Reviewed in the United States on August 7, 2025 by Jaden Smith
    • False advertising on the shape!! Beware of the curve!~
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!~ ... show more
Reviewed in the United States on October 14, 2024 by Rex
    • Perfectly BIG
Size: Girthmasterr-8.5 Inch
We had been using the Holmes dildo, but 2 things that were not liked: too long, not enough definition on the head. This one is GREAT!!! Lot's of girth, a wonderful head, and not too long....though a little warm up is appreciated sometimes.
Reviewed in the United States on May 15, 2025 by JackDaniels0213
    • Love Chad!
Size: Chad White-8.5 Inch
I own Chad white, Jason luv, dredd, and here soon Damion dayski and Lucas frost and I have to say Chad is quite possibly my favorite of the whole bunch so far. He’s thicker than I was expecting but that is a welcome surprise 🥰. He’s my favorite to suck on and train my throat with and inserting him feels good as well. I had no issues during delivery, my only complaint would have to be with the suction cup that he came with, I wish it had a bit more strength to it but honestly that’s something all of the toys share in common so I won’t knock points off of this toy specifically since it’s not really its fault. Overall I’m very happy with my purchase and definitely recommend picking it up if you’re already a fan of Chad white to begin with, it helps make play time way more fun haha ... show more
Reviewed in the United States on December 28, 2024 by Danny

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