The SafeRest Premium Mattress Protector is a durable and waterproof fitted sheet designed for Twin XL size mattresses. Made with breathable and hypoallergenic materials, this mattress protector is perfect for ensuring a clean and allergy-free sleep environment. The zip closure provides a secure fit, while the machine wash care instructions make it easy to keep clean and fresh. Ideal for use in bedrooms, this high-quality mattress protector from SafeRest is a must-have for any home.