ITEM NAME:Foldable Kayak Boat Wind Sail Sup Paddle Board Sailing Canoe stroke Rowing Bo 3C Description: It is lightweight,foldable and portable. Target boat -Solo rec. boat to Touring kayak, SOT 8 -15 feet. Target wind range - 4 to 13 knots Made of material of high quality,it is durable. It can effectively weaken ultraviolet radiation,so that protect Easy to assemble. Specifications of EYE SHAPE WINDOW: Material: Polyester taffeta Size: 108 x 108cm /42.5 x 42.5inches Specification of RECTANGLE WINDOW: Material: polyester taffeta +PVC Unfolding size: Size: 42 inches (108x108cm) Folding size: 40cm/15.74'' (diameter) Color: random color Package includingï ¼Å¡ 1pc Noteï ¼Å¡ There is 2-3% difference according to manual measurement. Please check the measurement chart carefully before you buy the item. Please note that slight color difference should be acceptable due to the light and screen..Target boat -Solo rec. boat to Touring kayak, SOT 8 -15 feet. It is lightweight,foldable and portable. Target wind range - 4 to 13 knots. Specifications of EYE SHAPE WINDOW Specification of RECTANGLE WINDOW.