Multimat Adventure 38 Self Inflating Camping Mat MOD GreenOffering excellent insulation and cushioning, the self inflating Multimat Adventure 38 is an ideal global backpacking, camping and hiking sleeping mat that can be used year round. The mat self inflates to approximately 3. 8 cm with a blow and lock valve system that allows you to top up the air by mouth if you need some extra support. This water repellent camping roll mat is manufactured from 75D rip stop polyester fabric with a TPU membrane that forms