It's the ideal solution for your storage needs. The four-tier shelving unit has strong and durable welded wire construction with an open design that allows air circulation and reduces dust build-up. It's NSF certified for dry environments. This four-tier shelf can be adjusted in 1" increments, and each shelf can hold up to 100kg when evenly distributed. The HSS 4-tier chrome shelving rack is easy to assemble so you can put it to use in no time. It's also lightweight when empty so you can move it easily from room to room.