Mat Bjorn Eva 2-layer grey 180 cm x 60 x 1 cm DK 2267-4 The Bjorn brand pad in gray is made of soft and flexible EVA foam, which springs under pressure instead of deforming. It will test perfectly itself as an insulating layer in the tent, making the bed more comfortable and warmer. Data technical: · dimensions: 180 cm x 50cm, · thickness: 10 mm, · material: plastic EVA.