Drop Stitch Fabric, German Henkel Adhesives. PROFESSIONAL AIR MAT – 10ft/13ft/16ft/20ft inflatable air mats for gymnastics, made of Filament Grade Double-Wall Material(drop stitch fabric), it is gas-tight and durable since reinforcement are made for all seam; Our Air Mats come in many sizes and shapes and are ideal for all floor exercises and tumbling passes. FLEXIBLE APPLICATION – Bring the gym to your home! Air tumbling mats are great equipment for a wide variety of sports: cheerleading, gymnastic exercises, home entertainment, yoga, water fun, Kung-Fu training and etc. Besides, powerful Velcro makes it easy to link each air mat together that achieves the training area you want. EASY TO INFLATE & DEFLATE – Compared with the conventional foam-based mats and other Tumbling Mats. ChampionPlus tumble track comes with Bravo valves and free electrical pump, it takes much less time to inflate and deflate. After inflation, the air tumbling will maintain its pressure for days and easily adjust the pressure to your preference. MORE SAFETY – 4/8 inches thickness, our air gymnastics track is soft enough to allow you to jump higher and safe to land on; They are airtight, completely silent, completely flat, very small in storage and setup is extremely fast. No noise during training because continuous inflation is not required. As a band player, we always stand behind our product. Any inquiry, we will promptly respond within 724hours by online customer service. Material: Korean PVC, German made adhesives. Product Care Instructions: Water. Product Dimensions: 118.11″L x 39.37″W x 4Th. Item Weight: 22 Pounds. Item Package Dimensions L x W x H:? 24.02 x 10.63 x 10.24 inches. Package Weight:? 11.54 Kilograms. Item Dimensions LxWxH:? 10 x 3.3 x 4 inches. Item Weight:? 22 Pounds. Material:? Korean PVC, German made adhesives. Size:? 10&#######x27;x3.3&#######x27;x4&#######x27;&#######x27;(310.1m). Date First Available: July 26, 2019. And we will work with you to resolve it to your satisfaction.