【Healthy Sleep】The mattress is made of comfortable gel memory sponge and durable bagged inner spring to keep you comfortable all night. Sleeping on a hybrid mattress provides sufficient support and firmness, fitting the body to better release stress, providing a balanced sleep experience for all kinds sleepers. 【Medium Firm Feel】The mattress combines multiple support and comfort layers, providing a medium hardness feel that meets the sleep preferences of most people. Using our spring mattress, you will enjoy comfortable sleep every night. 【Non Disruptive Sleep】The independent bagged coils of this king size mattress work independently to isolate movement, dynamically adapting to the natural curves of your body and evenly distributing pressure, thereby relieving pain and improving sleep quality, so you are less likely to be disturbed during sleep.