EGOHOME Serenity King Mattress, 12" Gel Memory Foam Mattress in a Box, Medium

Mattress Size: King Mattress Type: Gel Memory Foam Mattress Mattress Profile: 12inch Comfort Level: Medium Firm Certified Safe and Non-Toxic: CertiPUR-US and OEKO-TEX certified Universal Compatibility: Fits all bed frames, bases, bunk beds, and adjustable beds King Mattress: 80 x 76 x 12 inches – 550 lb maximum weight capacity Memory Foam Mattress Highlights: Breathable, Edge Support, Pressure Relief, Low Motion Transfer Mattress in a box for easy setup: let the mattress expand for 48 to 72 hours Perfect for main bedrooms, secondary bedrooms, and guest bedrooms