Diamond groove, heat embossed, maximum traction and durability. Stainless steel D-ring on tail for safety leash#xA0. Elastic bungee cords for cargo. Optimum air pressure in all conditions, up to 15psi. The item "Aqua Marina Flow Yoga Inflatable Stand Up Paddle Board SUP-515888" is in sale since Tuesday, January 24, 2017.This item is in the category "Sporting Goods\Water Sports\Stand Up Paddleboarding\Stand Up Paddleboards". The seller is "sportsmansoutfitters" and is located in Dothan, Alabama. This item can be shipped to United States.