Good day series
It is made of pure cotton cloth imported and high density sponge by using pure steel spring chain wearing. It is comfortable and breathable, insect-proof, mite-proof, dust-proof and sterilization, strong resilience, super silence and no static electricity. Bring you a double sense of experience. Careful design of full disassembly and assembly, remove the worry of dust. The design structure is simple and reasonable, easy to manufacture and practical. Let you fully experience the unique feeling.