Diameter: 0 in Size: 141.7" x 31.9" x 3.9" This SUP board set is designed for ultimate fun on the water. It is an ideal choice for paddlers, combining superior strength and rigidity with a perfect all-round ride. Its substantial width and thickness guarantee comfortable and stable paddling. Durable material: The inflatable SUP board is puncture-proof and UV-resistant and withstands extreme nautical conditions. Two pre-fixed fins and one removable fin are durable to withstand the pressures of paddling. Stable and smooth ride: This SUP board is designed with the perfect level of curve, enhancing its rigidity for a more stable ride. This board glides effortlessly through flat waters and rides smoothly in the surf. Easy to assemble: Equipped with special high-pressure screw valves, it is easy and quick to inflate and deflate. Practical carrying bag: A practical carrying bag is included for easy and fast transport. Good to know: This is designed for adults.