The Pet Gear 3-In-1 Bike Basket is the most convenient way to travel with your small pet. The sleek design and color options offer something for everyone! You can carry it over your shoulder while you shop; secure it with the seat belt in your car for a safe trip to the vet; take it on the plane while on vacation (please check with airline regarding restrictions prior to travel). The Pet Gear 3-In-1 now comes with a free universal bike adaptor to use as a bike basket on a pleasure ride through the park! For SMALL pets only; read sizing dimensions of product carefully. Please consider your pets comfort when choosing this product. Measure your pet while your pet is standing up and lying down since the space needed may differ based on their position within the carrier.