Sweetnight mattress in a box, smartly shipped to your door for easy set up. About Sweetnight Mattresses. We know how hard it is to find the perfect mattress that just fits. We believe everyone should sleep well and feel refreshed after a night of rest. After over 10, 000 users experience, feedback, studies people, bodies, countless material testing We have created this patented bed mattress just for you. What makes Sweetnight 12 inch Pillow top hybrid mattresses so different? Designed with layers of luxurious memory foam and supportive coils, this hybrid mattress has that cloud-like feel you crave. Perfect for sleepers who want to indulge in a supportive yet cushy sleep environment Compatible with All Set Ups?the king mattresses are designed to rest on any firm, flat surface. No mater boxsping/foundation, platform or slatted base, adjustable bed, hospital bed, even you can position on the floor. Fits All SleepersOur mattresses are designed for any body types, any sleeping style and any season. Whether you are side-sleeper, back-sleeper, stomach-sleeper or you are with a partner, light or heavy weight. What is in the box? 1x Sweetnight spring mattress1x night sleep opener 1x manual & card note: -Do not be alarmed, if it has slight odor. It is normal with new foam. Let the mattress air out about 1-2 days would be helpful. - Endeavor to open your mattress package within 72 hours of receipt and allow 72 hours for your new mattress to return to its original, plush shape.