0.99mm 1000D military grade PVC, rigid and durable. Suitable for beginners and experts. Good choice for Yoga, Paddling, Vacation, Sunbath, Fishing. We ONLY accept the return for original package.Please make sure that item has NO man-made sabotage. Used items will not be accepted for return. You bought wrong model or wrong color. We promise to help you solve it asap, and make you feel satisfactory absolutely. This item is in the category "Sporting Goods\Water Sports\Stand Up Paddleboarding\Stand Up Paddleboards". The seller is "griffith9322" and is located in this country: US. This item can be shipped to United States.