emma + oliver 10 inch hybrid pocket spring mattress, full mattress in a box emma + oliver prepare yourself for the best sleep ever on this widely popular traditional mattress that is designed to provide your body with proper support. designed to provide the restful sleep you and your family need, this hybrid mattress is constructed with ultra-supportive material that conforms to your body as you sleep. the foam is certipur-us certified so it's free from heavy metals, phthalates, bpde, formaldehyde and has reduced vocs so you can rest easy knowing your indoor air quality won't be compromised. to all stomach sleepers, you will fall in love with this 10 inch pressure relief mattress with smaller springs that provide less bounce to comfortably cradle your body while at rest. our medium firm full mattress features individually wrapped pocket spring coils that reduce motion transfer to help you stay asleep while minimizing pressure points and back pain. finding a comfortable mattress can be tough, but we've got your back and front with this amazingly comfortable hybrid mattress. this full-size mattress is compatible with trundle beds, platform beds and adjustable bed frames, when using with a standard bed frame a box spring or other foundation is required.