Adjustable Dumbbells, 20/30/45/70/90lbs Free Weight Set with Connector,5 in1 Dumbbells Set Used as Barbell,Kettlebells,Push up Stand,Fitness Exercises for Home Gym Suitable Men/Women
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Dec 24 – Dec 29
Style: 90LB(45LB Pair)
Features
- 5 in 1 Multifunctional Dumbbell Set:With UNNMIIY adjustable dumbbell set, you can get a pair of dumbbells also barbells, kettlebells, and push-up stands, which help you do many exercises including bench presses, squats, etc.Making it suitable for a range of exercises
- High Quality Materials:UNNMIIY Environmentally dumbbell pieces exterior is made of cement and iron sand.high-quality PE materials, and the inside is mixed with iron, mud, and sand, which effectively prevents floor abrasion.Deep grooves ensure easy grip
- 20MM Thickened Foam:The connecting rod is made of a 5mm thick steel tube + 20mm thick high-quality foam. Curved design fits the neck, which is non-slip and sweat-absorbing, soft and breathable, bringing a more comfortable exercise experience to you
- Non-slip Dumbbell Bar:The surface of the dumbbell bar is made of ABS environmentally material and attached to a non-slip texture, which strengthens the friction of the hand and helps you control the dumbbell better during exercise
- Upgraded Nuts Enhanced Safety:UNNMIIY of the locking nuts enhance safety beyond regular multifunctional dumbbells.Nut thread thickening effectively keeps the dumbbell piece solid, to prevent movement shaking. Ensure your safety in use
- More Weight Options & Storage Space<2Ft2:The dumbbell pieces feature a detachable design, and the adjustable weight range for the single dumbbell is 2lbs-45lbs, which meets your exercise intensity needs in different stages. Installation is easy
- Brand support: UNNMIIY is always committed to providing our customers with quality service. If you have any ideas about our products, we will be willing to make progress together with our customers to make this small gym more relaxing and enjoyable.
Description
Adjustable Dumbbells, 10/20/30/45/70/90lbs Free Weight Set with Connector, 4 in1 Dumbbells Set Used as Barbell, Kettlebells, Push up Stand, Fitness Exercises for Home Gym Suitable Men/Women
Brand: UNNMIIY
Color: red
Item Weight: 90 Pounds
Material: Alloy Steel, Iron, Polyethylene (PE)
Special Feature: ①Adjustable Weight ②5-in-1：dumbbells，barbells, kettlebells, weight plate，push-up stands ③Home workout ④Build quality ⑤Ease of use ⑥Versatility See more
Brand: UNNMIIY
Color: red
Item Weight: 90 Pounds
Material: Alloy Steel, Iron, Polyethylene (PE)
Special Feature: ①Adjustable Weight ②5-in-1：dumbbells，barbells, kettlebells, weight plate，push-up stands ③Home workout ④Build quality ⑤Ease of use ⑥Versatility
Product Dimensions: 1"L x 1"W
Style: 90LB(45LB Pair)
Handle Diameter: 20 millimeters
Handle Material: Alloy Steel
Number of Pieces: 2
Set Name: Adjustable Dumbbells Set
UPC: 763867653719
Manufacturer: UNNMIIY
Item Package Dimensions L x W x H: 27.75 x 12.75 x 9.5 inches
Package Weight: 44 Kilograms
Item Dimensions LxWxH: 1 x 1 x 1 inches
Brand Name: UNNMIIY
Part Number: AD90LBS
Date First Available: March 26, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Dec 24 – Dec 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: 45LB(22.5LB Pair)
I am very impressed with this adjustable dumbbell set. It is a solution that has four parts. It replaces many big pieces of gym equipment. This makes it perfect for a small gym in my home. I can switch between dumbbells, a barbell, kettlebells, and a stand for push-ups. This is convenient for me. It gives me all I need for a workout for my whole body. The system for connecting is secure. It is easy to use for anyone. Changing how I set it up take only a few seconds. The weights are strong. They are comfortable to hold. They feel very stable when I do exercises. I love that I can make resistance bigger little by little. I do curls, presses for my chest, squats, swings with kettlebells, and push-ups. Each piece feels solid and well-made. This set makes my workouts at home more effective. It makes them more fun too. It saves a lot of space if I compare it to normal free weights. For the price and different uses, it is one of the best money I spent on fitness.
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Reviewed in the United States on November 22, 2025 by Ted Ted
Style: 45LB(22.5LB Pair)
This 4-in-1 dumbbell set is perfect for a home workout. It converts into dumbbells, a barbell, kettlebells, and push-up stands, and all the pieces feel sturdy and secure. The grips are comfortable. Excellent value if you want versatile equipment without taking up much space.
Reviewed in the United States on November 25, 2025 by Jane Jane
Style: 45LB(22.5LB Pair)
The media could not be loaded. This adjustable dumbbell and kettlebell set works great. The weight plates are easy to switch, and there’s no plastic smell at all, which I really appreciate. The screws turn super smoothly, making it very easy to assemble, and the grip feels great in the hand. I set up an 11 lb dumbbell and a 13 lb kettlebell, and after a week of glute and leg workouts, I can already feel the difference—very solid and effective. The only thing to note is that the kettlebell is a bit bulky, which might be less ideal for smaller users. It would be helpful if the listing mentioned this. Otherwise, the quality and value are excellent.
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Reviewed in the United States on November 25, 2025 by Johnson Goodman Johnson Goodman
Style: 90LB(45LB Pair)
It's been a few months since my purchase and I'd say I'm satisfied with the product for what it is. It's useable for a variety of exercises and the set doesn't take up much space. For my purposes the last few months, it's be sufficient. Things to consider (for reference, I'm 6ft 5in so some downsides for me may not be a problem for others): -Only 4 weights can be added to each side of the bar which limits the amount you can stack. -Definitely good enough certain exercises but don't expect to be training major lifts to the extreme like you would in a conventional gym. In my case, the bar is too short but there are ways to get around it. -Weight adjustment can take some time. In terms of durability it's been fine but I don't recommend putting any major tugging forces on the assembled bar like you would with a conventional barbell. None of the points above have been a deal-breaker for me since I expected most of them when purchasing this product. Overall, I'd say this product is useful for beginners or if you'd just like a cheap way to perform a variety of weighed exercises at home.
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Reviewed in the United States on July 1, 2025 by Stefan
Style: 45LB(22.5LB Pair)
Very good quality weights. Lots of different configurations and combinations depending on if you need dumbbells, kettlebell, or even barbell type weights! Easy to adjust and change around. Lots of weight variations and adjustments available. Great for simple, in home workout sessions.
Reviewed in the United States on December 9, 2025 by Dillon Dillon
Style: 45LB(22.5LB Pair)
This 4-in-1 Adjustable Dumbbell set truly exceeded my expectations! It came with all the necessary accessories, and upon unboxing, all the parts were clearly categorized by function, making assembly very easy. The weight range of 10/20/30/45lbs is comprehensive, suitable for both daily workouts and advanced strength training. The connecting rod design is sturdy, allowing the dumbbells to instantly transform into a barbell, perfect for versatile home workouts. The overall material is solid, the grip is comfortable, and adjusting the weight is very convenient. It's definitely worth the price, highly recommended!
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Reviewed in the United States on November 29, 2025 by Edge Edge
Style: 45LB(22.5LB Pair)
Nice set for easy working out
Reviewed in the United States on December 5, 2025 by matt
Style: 90LB(45LB Pair)
Exactly as described. A very easy to assemble, use and change weights as needed. Very sturdy materials and very useful for at home exercises and weightlifting on a moderate scale.
Reviewed in the United States on December 9, 2025 by John W.