Ideal for travel or everyday use. The composition is made of high density, gel infused miscoelastic memory foam, designed to ensure stability of the cushion. Easily carried or folded. Most Supportive for the cervical/head. Measures 15Wx11.5Lx3.5H. Bamboo viscose removable cover is antibacterial, hypoallergenic and breathes/absorbs humidity. Machine washable in cold water. Lay flat to dry. No ironing. No bleach. Additional covers are available.