This 4 pieces high-quality storage shelf set is constructed of a galvanized metal plate. The solid structure can hold up to 175 kg/ 386 lb loads per tier. It can be used separately or combined with other shelves into a larger storage space to meet your various needs. Also, the adjustable shelves level to fit a variety of items. Its boltless design allows it to be easily assembled and disassembled. This storage rack can be disassembled into a compact size for easy storing and transporting, perfect for use in kitchens, bathrooms, rooms, living rooms, warehouses, offices, industrial, commercial exhibitions, hotels, supermarkets, etc.