Guardmax Fitted Waterproof Mattress Protector 2 Pack, Hypoallergenic Cover, Noiseless and Breathable - Twin Size (2 Pack - 39x75) - Skirt Stretches to 16 Polyester WATERPROOF & HEALTHY - Seals out Moisture, Sweat & Anything Wet. Dust Mite Proof, Allergy Free, Antibacterial, Hypoallergenic. 100% Safe for Your Kids (Set of 2) PERFECT FIT & INCREDIBLE SOFT - Large Overlap of the Corners So It Doesn't Move. - Will Not Tear or Crack, Comfortable To Sleep On, Superior Quality Guaranteed. PRODUCT DETAILS - TOP FABRIC: 95gsm 100% Polyester, knitted fabric, SKIRT: 120gsm 100% Polyester, knitted fabric ELASTIC CONSTRUCTION: All around skirt edge COMPLETELY QUIET & BREATHABLE - No Crinkling or Annoying Sounds, Really noiseless. Sleeping Cool and Comfy Without Changing the Feeling of Your Mattress. MACHINE WASH AND DRY  Just Throw these in the Washer and Dryer, And Theyre Ready to Once Again Protect Your Bed. Doesn't shrink in washing. Light Weight.