The 45-Pack KYOYA Litter Box Liners are made from durable polyethylene material, making them heavy-duty and tear-resistant for a hassle-free experience when cleaning your cat's litter box. These large liners are designed to provide a convenient and efficient way to manage your feline's waste, with each pack containing 45 liners to ensure a long-lasting supply. The colorless design offers a sleek and hygienic solution for keeping your home clean and odor-free.