Keep your mattress protected with this waterproof Mainstays 94870WM fitted sheet. Designed to fit twin size mattresses, this mattress protector is made of a durable combination of polyester and vinyl. The white color complements any bedroom decor while the waterproof feature ensures that your mattress stays safe from spills, stains, and other accidents. This Mainstays 94870WM waterproof fitted vinyl mattress protector is the perfect addition to your bedding collection. The set includes one fitted sheet and it comes with a range of features including its waterproof design, making it ideal for those with kids or pets. Made in China, this mattress protector is designed to last and will keep your mattress looking like new for years to come.