Clipper Cayman superior quality pet carrier is made of polypropylene copolymers with a metal door and plastic vents. NOTE: This pet carrier does not include the strap, wheels, or water cup. This pet carrier does not include the strap, wheels, or water cup. UPS Oversized Packages Items marked UPS Oversized require additional freight charges, determined by UPS. UPS Oversized rates are determined by package size. If a package is 84-108 in length and girth combined, UPS charges an OS 1 package rate that is based on a total weight of 30 lbs (even if the item weighs significantly less than 30 lbs). If a package is 108-130 in length and girth combined, UPS charges an OS 2 package rate that is based on a total weight of 70 lbs (even if the item weighs significantly less than 70 lbs). The UPS Oversized rate will be reflected in your shipping charges at checkout.