OYO BABY waterproof undermats will provide excellent protection against fluids urine perspiration allergens dust mites and bacteria. It is 100 percent waterproof yet breathable comfortable and noiseless. The mat is vinyl (PVC) free and safe to sensitive skins. OYO BABY mattress undermat is covered by high quality cotton fibre and high absorbent bamboo fibre liner which allow the mat to feel exceptionally smooth on the skin even after repeated uses and washes. Unlike traditional waterproof mats that use vinyl (PVC) as barrier OYO BABY undermats use a safer material called TPU. TPU is toxic free noise free and totally breathable. TPU also prevents microorganisms and molds as well as dust mites ideal for ultimate allergy relief. No matter you are at home or on-the-go and travel put it on a bed a chair a sofa or on your lap use it for your toddler elderly parents.