The crates are all made from strong durable plastic and are able to withstand the rigours of moving. Each type of crate is designed to nest one inside the other when empty and to stack when filled, and where they have integral lids they are shower-proof.Commercial Crate Hire are also pleased to offer a crate estimating and advisory service to ensure that you are supplied the correct quantity and type of crate and the appropriate ancillary equipment for your project. This service is completely free of charge and without obligation.