BUILD TO LAST: It is made of premium stainless steel, PU, sponge, and rubber, which is impact-resistant and wear-resistant to ensure long-term use COMFORTABLE EXPERIENCE: The cushion is made of smooth PU and filled with a sponge, which is soft, skin-friendly, elastic, comfortable to use, and suitable for long-time placing arms, hands, wrists, legs, or feet HIGH STABILITY: The high-quality stainless steel and triangular structure provide stable support, allowing you to focus on your work with peace of mind ADJUSTABLE DESIGN: This product is ergonomically designed with a 100° adjustable pad angle. The height of the stand can be adjusted within the range of 25.59-39.37in, meeting your different needs EASY TO CARRY AND STORE: This product is portable and collapsible, you can easily take it to different places and store it without taking up too much space