Thick Material: Made of 90% acrylic and 10% nylon (type GB18401-2003B), which makes it stretchable, washable and reusable. Hand wash and washing machine. Note: Do not use the toilet seat cover for dry cleaning and laundering.Great flexibility for a perfect fit: snaps and hook design ensure a perfect fit in your toilet seat toilet with great elasticity; can be used for different sizes and shapes of toilet seat like round and U-shaped toilet seat.Considerate design: easy to install and remove with simple operation.< li>Warm and comfortable choice: This luxury thick toilet seat cover is soft and comfortable enough to protect cold toilets, especially during winter.Dimensions (L x W): 70 x 15cm when laid; 120 x 30cm when fully stretched; product weight: about 100g.