Specifications include, but are not limited to: 4.1 Mattresses are not to exceed 73” L X 30” W X 4” D. and must have built in pillow under mattress cover. 4.2 Mattress cover must have antimicrobial properties to protect the integrity of the product, must be nonporous to resist body fluid penetration. Vinyl is not acceptable, coating must be Thermal Polyurethane Coated or approved equivalent. 4.3 All surfaces of the mattress must be washable by hand by use of a towel, rag etc…with common soap product and water. 4.4 All surfaces must be abrasion resistant to normal wear and tear and mitigate damage caused by scraping, and rubbing, against metal bed frame structures. Abrasion resistance allows the material to retain its integrity and hold its form.