Cido Sleeping Pads, Self-Inflating Camping Sleeping Pad, Quick Flow Valve, with Attached Inflatable Pillow,190T Polyester ABS QUICK FLOW VALVE - Self-inflating/deflating free-flow valve, no pump needed(except inflating pillow) . WATERPROOF POLYESTER TAFFETA - inflating pillow, high-resilience sponge filling . COMPRESSION STRAPS - for compact storage and easy transport. IMBODY - 2 mats can be buckled together to make an extra large one MULTI-SCENE - Ideal for Camping, Hiking, Travel & Trekking