Bed bugs, dust mites, and liquid stains are problems hundreds of homeowners face every year. Hygea natural vinyl mattress waterproof material protects from all leaks and spills that may occur (blood stains, urine stains, sweat stains). Mattress encasement fits standard box springs or mattresses up to 9” in depth. Material vinyl material. (note: does not stretch. For stretchable mattress cover view non-woven and luxurious) zippered cover 3-sided interlocking zipper with a stitched hook & loop fastener flap to ensure security. 100% waterproof protection mattress encasement protects your mattress from unwelcome spills and keeps your mattress clean and safe. Bed bug protection 6 gauge vinyl mattress/box spring cover is waterproof and encloses the entire bed/box spring. The vinyl makes the covers durable and tear-resistant. Zipper closure completely seals off the mattress from bed bugs that are trying to enter or leave your mattress. Simple-to-clean vinyl encasement does not need to be removed; it simply needs to be wiped clean with a damp cloth; no laundering is required. California Props 65 warning: this product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. To Install this cover, follow these steps. P Before opening the mattress cover, please make sure the dimensions and size of the cover will fit your mattress. Vinyl does not stretch. If you attempt to stretch, it will rip. 1. Strip your mattress of all bedding 2. Remove the cover from its packaging and unzip fully 3. Fully align the cover on the mattress, and slide the unzippered side on the top of the mattress (For easier installation, stand the mattress against the wall) 4. Slide the cover all the way, until it fully covers the mattress 5. Zip the mattress cover fully. This should be done when the mattress is on the bed.