Cotton Terry Laminated with TPU Waterproof Mattress Topper Protector Cover with 4 Corner Elastic Band. Waterproof Protection: TPU polyurethane film provides spill-proof and stain-resistant barrier. Anti-Dust Mite: Knitted fabric structure effectively blocks dust mites and allergens. 360 Elastic Fit: Stretchable elastic skirt ensures secure fit on all mattress sizes. Customizable Sizes: Available in Twin, Full, Queen, King, Cal King, and custom dimensions. OEM/ODM Service: Full customization options available for designs and samples. Versatile Usage: Suitable for hospitals, hotels, homes, and pet owners.