Patented double air flow and quick lock valve Double valves for thick mattresses allow rapid self-inflating and easy deflation. Valve position also available in the cornor. Vlave color: Smoky Grey (PC) / Splid Black (ABS) One color: slik-printing 2-4full-color logo: heat transfer Logo size and position are detemined by customers Standard foam: 21kg/M3 for quick inflation and hard supported bed Light foam: 16kg/M3 lightweight, compact pack size and easy deflation. Standard: 75D Polyester Low-slip & Durable: 150D Polyester Brushed polyester Diamond Rip-stop Honeycomb Rip-stop New! Non-slip & Waterproof & Abrasion resistance super light TPU film onto the bottom fabric for greatest features. Different fabric combination also available. Feng Yi outdoor Leisure Equipment Enterprise Co., Ltd. 275, Ke Liao Road, Lung Jin Village, Lung Ching Hsiang, Taichung County Tel:886-4-26380697 Fax:886-4-26380879 Website:http://www.fengyi.com.tw E-mail Box: cindy.fy@msa.hinet.net