Tencel Fiber Top 1. Tencel Fiber offers a soft and comfortable feel surface 2. Tencel Fiber provides an absorbent layer for the protector which soaks up any moisture throughout the surface and wicks it away from your body during the night 3. Does not change the sleep feel of your mattresses 4. Noiseless terry surface keep us a peaceful night's sleep 5. Soft Coral fleece won't feel like sleeping on a plastic sheet TPU Protection 1. The TPU backing (Polyurethane Membrane) is not only waterproof but also breathable. This allows heat and moisture to breathe through while blocking off stains, liquids, and other bacterias from the bed mattresses. And more it is a block barrier for Bed Bug & Dust Mite. 2. TPU backing ensures that you won't hear a plastic noise when you move during the night, while the soft top provides you with unparalleled comfort. Elastic Fitted Sheet The mattress protector features Smooth Skirt Stretchable that makes sure it fits mattress depth up to 18 inches. It has elastic sewed all around the protector, it will be easy to stretch and fit into the mattresses. That works like a fitted sheet, fit tight for your mattress which ensures it will not slip away when we move our body in the mattress. PVC Zipper Bag 1. This PVC zipper bag package is a cheaper option but also good looking for retail and online sales 2. PVC zipper bag will keep our protectors in a solid shape and protect our protectors much better from any damages during the shipment and the delivery. 3. Please well note that it is not a toy, please keep this bag away from babies and children after taking the protector out.