【Breathable & Reliability】75"* 39"* 14" in , Black, 61.7 lb,The Twin mattress 14 inch top is made from a knitted fabric that is breathable, keeping you cool and comfortable and gentle on the skin. The vacuum packed 14 inch twin size mattress is sealed in a cardboard box. All foam of the whole mattress has passed CertiPUR US certification and has been checked to be free of harmful substances, so you can rest at ease. 【Strong Support Spring】 The 14 inch twin mattress design comes with individually wrapped springs, Move independently and reducing motion transfer. This design keeps your spine aligned, reducing pains. and the inner springs have two sizes of wire diameters: 2.0 cm (mattress body support) and 2.2 cm (edge support) 【 Pressure Relief 】 The mattress twin size 14 inch combines the support of bagged springs with the comfort and adaptability of memory foam. Independent bagged coils provide strong support for every part of the body. High Density memory foam can actively shape the body curve, adjust the spine, and relieve pressure point pain 【Easy Setting & Mattress in a Box】 Our 14 inch twin memory foam mattress comes in a boxed design that conveniently compresses and rolls up for easy installation. Simply unpack and place the mattress on your bed frame. Please allow 24-72 hours for the mattress to fully rebound and for odors to dissipate to ensure optimal performance and comfort. This colchones twin 14 inch is designed to fit most standard bed frames and foundations. 【 Ultimate Customer Service】 Our twin bed features a unique design and warranty with side handles, making it easy to operate and flip the mattress (every 2-3 months to extend the spring's lifespan). If you have any questions, please contact us. Thank you for trusting our brand.