The Mielmoon 33x75 Water-Resistant Vinyl Foam Mattress To meet the facility’s needs, Mielmoon designed a mattress with several healthcare-focused features: Exact 33x75 mattress size to fit the medical bed frame perfectly Eliminates shifting or gaps that can occur with incorrect sizing Water-Resistant Vinyl Cover Medical-grade vinyl surface helps protect against spills and moisture Easy to clean and sanitize for healthcare environments Supportive Foam Core Durable foam constru