Soft and cozy, Sherpa Replacement Liners for your Sherpa pet carrier are machine washable and have a waterproof bottom to prevent leaks. Sold in packs of two. Sherpa Travel gives pet parents the best of all worlds: innovative products, stylish designs, and exceptional value with a variety of travel carriers, leads, mats, straps, to meet a pet's and pet parent's needs for travel. Sherpa products are designed to meet child safety standards. Please read all packaging instructions, warnings and cautions upon receipt. Packaging contains small parts, discard after opening.