BRIS BRF450 river rafts are hand crafted and built tough with quadruple reinforced seams. We make the main tubes with 2000 Denier 1.2mm thick,high quality fabric. The bottoms are also made from heavy-duty 1.2mm thick material. We also add the extra 140mm width rubber strake at the bottom of the tubes.The heavy-duty D-rings, full length side rub strakes and handles bring special value to our river rafts. New models also have removable drop stitch air floors for easy repairs or replacement. The unique self-bailing system gives you the chance to choose the best speed for optinum performance. Features: Main tube fabric : 2000 denier 1.2mm PVC Bottom floor fabric: 2000 denier 1.2mm PVC Floor type : 140mm Drop stitch air floor Self bailer holes all around raft bottom perimeter. Pressure release valve equipped on tubes Rubbing strake all around the raft. Four individual chambers Six Soft lifting handles in front and side 12 D-rings outside for optional frame attachment. The bottom of the tubes covered with 140mm width protecting rubber All seams are HEAT WELDED for perfect seaming and guaranteed to last in fresh water, salt water and extreme humidity. Most seams are quadruple overlap for maximum strength and durability and will not fall apart Specification: Overall Length: 15 ft/ 450 cm Inside Length: 11.5 ft/ 350 cm Overall Width: 7 ft/ 216 cm Inside Width: 45 inch/ 114 cm Tube Diameter: 20 inch/ 51 cm Chambers: 4 + 3 + 1 Max Person: 12 Floor Design: drop stitch air floor Shipping information: All items are in stock and will be shipped within 24 hours after receiving cleared payment. Please note that items purchased on weekends will shipped the next working day. We offer the competitive prices online and Free Shipping to Lower 48 states. Sorry we can not to Hawaii,Alaska,Puerto Rico . All International Buyers are responsible for paying any required duty or import taxes. Please note that we are not able to ship to PO Box address. Local pick up welcomes. please contact us for the details. Warranty Return: All BRIS boats come with 3 years warranty on the seams and 1 year on auxiliary fittings, such as handles, oarlocks, oar holders, D-rings, etc.Damage and normal wear, tear are not covered . Guarantee begins when product is delivered. Return is accepted within 30 days of receipt after you fully explain the problems. Please allow up to 5 business days for returns to be processed. All items must be returned in original packaging, including all accessories.Such as aluminum floor, oars, foot pump and repair kits etc. Customers are responsible for charges associated with shipping of returning item .