The Mattress combines support and comfort provides excellent whole-body support can adapt to the curve of the human body stretches flexibly protects the spine and maintains a natural and straight posture allowing the body muscles to fully relax and relieve the human body Stress reduce the number of turning over during sleep and create a sleeping environment. Compatible with most bed frames such as foundations slatted platforms box-spring beds. Product Details: * Comfort Level: Moderate to Soft * Mattress Type: Hybrid Pocket Spring * Product Highlights: Breathable Edge Support Low Motion Transfer Mattress Dimensions: * 39*75*12 Inch; Approx: 49.6 lbs Package include: * 1* 12 Inch Twin Mattress * 1* Opener * 1* Manual Card Tips for Unpacking: ① Place the mattress roll at one end of the bed frame. ② Cut the first plastic layer and roll onto the frame with the opener. ③ Cut the second plastic layer(carefully). ④ Watch the mattress expand! 72 hours will be perfect. ⑤ Enjoy and sleep better. Good night! NOTICE: * Manual measurement has been used there may be some reasonable error. * All the pictures are taken by actual samples slight chromatic aberration may occur due to lighting or display. * This mattress will be shipped wihtin 2-10 days from USA local warehouse after you place the order you will get the goods within 2-10 days after shipped. * If you happen to have any question comment or concern about the product including assembly please feel free to contact us your email will be replied within 24 hours. After Sales Service: * Missing or damaging parts when receiving the product we will send the accessory for free. * Compensation for all losses caused by the product quality or logistics problems