Durable ABS Plastic, Dimensions of Furniture Risers -- 4.25" height lift your bed up to 4", external dia: 3.75"; inner dia: 3.5" STURDY & DURABLE MATERIAL : Furniture risers for sofa is made of durable ABS material which is eco-friendly, non-toxic and wont scratch floors. There is a 660 lbs weight capacity for each riser and set of 6 risers safely support a total weight of up to 4,000 lbs. 0.3" raised edge to hold the post securely in place SIZE FOR YOUR NEEDS : This bed risers 4" heavy duty 6 pack, which can lift your bed to 4" high, the bed risers heavy duty opening is 3.5" in diameter and can accommodate 3.5" diameter legs, with an overall height of 4.25", can meet your precise needs for 6 bed legs EXTRA STORAGE & EASY CLEANING : Bed elevators for legs can lift your bed up to 4" and are the perfect solution for small bedrooms and dorms with limited storage space, furniture risers 4" round add the extra height your bed needs and adds extra storage space under the bed, allowing you to stack debris or storage bins, and helps the robot sweep into the clean floor making it easier to clean the underside of your bed and keep the underside of your furniture free of dust and dirt ANTI-SLIP AND STABLE : The concave design of the bed risers black round makes the whole bed look more three-dimensional and delicate, the bottom of each upgrade furniture risers for sofas is added TPU rubber anti-skid pads and the legs of the bed are firmly installed in the concave cups, which will not make your bed have any tilt and shake , which securely holds your furniture in place, be it a bed, sofa or table COMPATIBLE WITH MOST FURNITURE : The bed risers pack of 6 is suitable for raising all types of furniture, including beds, sofas, tables, chairs, etc. Which can be used for heavy duty furniture to protect your furniture and floors from damage, compatible with most sizes compatible with furniture, it also helps improve sleep quality and helps those with back pain Ymeibe 4 inch Round Bed Risers Features:
Non-slip rubber pads
Highest quality ABS plastic
Maximum capacity of 4,000 lbs
Hassle free answer for little rooms
Secure recessed can hold legs with wheels, square legs or rectangle legs.

Ideal For Kinds of Furniture
Suitable for raising beds, furniture, desks, sofas, couches, tables, dressers or chairs.
They reduce the effort to stand from low couches/sofas when you apply furniture risers to them.

Easy to Clean
These sofa risers help sweeping robot enter to clean the ground.
The furniture riser can effectively help you use family space and enjoy the joy of organizing housework.

Specification:
Material: Durable Hard Plastic
Color: Black
Inner dia: 3.5"
External dia: 3.75"
Groove Height: 0.3"
Height: 4.25'' and would rise 4'' for furniture
Bearing: 660 lbs per leg and 4,000 lbs total

Package included:
6 x Black 4 IN Bed Riser Cups
6 x Rubber Anti-Skid Pad (Installed)

Square legs: Length and width < 2.2 inch.
Round legs: Diameter < 3.5 inch.
Before purchase, please must measure the legs size of the furniture, so as to buy a suitable bed legs risers!