The material composition of mattress cover of our company: the upper surface (in contact with human body) is made of air layer cloth of the same or better material as the upper surface of high-grade Simmons, the upper side is made of porous sandwich cloth, the lower side is made of high-elastic knitted elastic cloth, and the bottom is made of non-slip cloth. Protection: The protective cover is placed outside the mattress to avoid damage or contamination of the mattress; Applicability: 1. The six sides of the protective cover are fully wrapped, and the bottom is non-slip cloth. The protective cover tightly wraps the mattress, and the surface is smooth and will not slide. 2. The protective cover replaces the bed sheet, which is easy to slide and crepe, requiring time-consuming and laborious care every day; 3. The side of the protective cover is high elastic cloth. Within the height range of 0-4cm, the height of the protective cover can be automatically adjusted to adapt to the height of the mattress; Comfortableness: the high cover fashion air layer cloth is yarn-dyed jacquard interlayer knitted cloth, soft, comfortable, breathable and elastic, the human body feels very good; Beauty: the side of the protective cover is designed into a variety of patterns, choose a variety of different colors of cloth, the overall beauty is generous. A new protective cover is like a new mattress; Convenience: All red Bell mattress protection covers are fully zipped to connect the upper and lower parts. As long as the zipper is unzipped, the upper part will be automatically unzipped and put into the washing machine for washing. Wait until dry, then put back the upper part, zip it;