Only the Highest Quality of Foam-Foam is CertiPUR - US Certified for durability, performance, and content. Please open your mattress package within 72 hours of receipt and allow 48 hours for your new mattress to return to its original, plush shape.The Slumber 1 6 Comfort Spring Mattress offers firm support for a better nights sleep. Perfect for a guest room, kids' room or dorm room. Foam is CertiPUR-US Certified for durability, performance and content. The Bonnell spring system is made from heavy gauge steel coils to provide firm support. Assembled Product Dimensions (L x W x H). 75.00 x 54.00 x 6.00 Inches. We will respond to you within 24 hours and do our best to help you out! The item "Full Size Comfort Bunk Bed Spring Mattress 6 Inch with Steel Coils Firm Heavy-Duty" is in sale since Saturday, May 2, 2020. This item is in the category "Home & Garden\Furniture\Beds & Mattresses\Mattresses". The seller is "morfindustries" and is located in Multiple Locations. This item can be shipped to United States.