TPE Size: 20.5 x 13.8 x 3.9 inches (52 x 35 x 10/8 cm) (Height adjustable); Weight: Approx. 5.9 lbs (2.75 kg); High performance gel material that provides maximum weightless sleeping comfort in the air, the body is made of TPE (thermoplastic elastomer) material, which is durable, soft, flexible and elastic gel material that absorbs any shape of any neck and elastic. Fitted to stick It can be washed with water, so you can always use it cleanly; Special 3D structure that effectively disperses body pressure; The upper and lower air vents prevent stuffiness, and has excellent breathability, and the special lattice structure is ergonomically made to fit the shape and position of your head in a momentum to achieve a comfortable sleeping posture. [Super soft and highly breathable outer cover is made with premium outer material that is overflowing with luxury and is also easy to be machine washable. Processing: Low formal Dehyde specifications: The outer cover fabric is treated with antibacterial and deodorizing treatment, which prevents the growth of odor-causing bacteria, and prevents unpleasant odors. The low formaldehyde design makes it safe for children to use.