full mattress,jingxun 10 inch gel memory foam mattress,foam bed mattress with certipur-us certified medium firm foam mattress for sleep supportive & pressure relief,bed in a box.54”x75“x10” jingxun jingxun products come directly from our manufacturer and bypassed huge retail mark-ups, we have over 12 years of mattress manufacturing experience. we also always strive to provide global customers with luxurious comfort and help them sleep better. certified safe the foams meet the standard of oeko-tex standard 100, healthy and eco-friendly, your family sleeps with no concern. 10-year warranty we offer a 10-year warranty that protects the mattress and cover against manufacturing defect. here are some tips for unpacking: lay the box on its side, then remove the mattress out. cutting the cover bag carefully with scissors. please do not use a knife, as this may result in damage to your mattress surface. roll out the compressed mattress on to a clean, flat surface. carefully cut open the plastic bag along the edges. the mattress instantly begins to decompress. remove the bag. allow the bed to fully recover before adding bed linens. it may take 48 to 72 hours to fully expend. note: keep distance and enough room to the mattress when opening, as it may have a risk to smack people when expanding.