Product description Size: Double Highliving offers miracle membrane protection that is waterproof, air vapour porous, absorbent and offers superior protection against bed wetting, incontinence, and accidental spills. Highliving bed bug entry, exit and bite proof encasement has a 3, sided zipper system for ease of installation as well for protection against allergens. The bug lock with secure seal makes the bug lock encasement bed bug proof and prevents the zipper from pulling back on the encasement and exposing the mattress. Specifications is allergy barrier dust mite barrier lab certified bed bug proof fully zippered pet danderodor proof100 percent pesticide free colour is white care instructions is 30c wash; tumble dry medium. Do not bleach. Do not iron. Size is single is 90 x190 x 30 cm double is 137x190 x 30 cm4feetis122x190x30 cm king is 152x200 x 30 cm superking is 182x200 x 30 cm.