Twin Mattress Cover, Twin Waterproof Mattress Encasement With Zipper, And Product Features Fit great: Fits Twin size mattress perfectly with dimensions 39 inches by 75 inches; 8-10 inches deep pocket. 6 Sides Fully Encased: Waterproof material backing on all sides resist any leakage into the mattress, blocks perspiration, bed wetting, liquids and stains. High-quality zipper: To avoid the zipper getting stick or dislodged when changing the mattress encasement, we use the best zipper on this mattress protector. Also, the quality of stitches you can trust which will not popped and ripped for a long time. Easy Care: Machine wash on cold and tumble dry on low. Do not iron, Do not bleach. We would recommend purchasing 5 encasement. That you can use one to replace the other when accidents do occur. Moonsea Guarantee: The product quality you can trust so you can buy at ease. If there is any problem with our zippered mattress encasement, please contact us and we can replace for you or money back without excuses. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!