Albertu Foldable Mini Waterproof Camping Hiking Seat Cushion Picnic Kneeling Mat Seat Pad(5 Pack) Material:EVA material,foam Folding Size:27*9.5*4cm, Unfold Size:39*27.5*0.8cm Light weight, portable,foldable,easy to carry It's the best choice,when you sit down on the ground or in the park