Steel powder coated shelf trolley for securely holding water bottles and laboratory samples. The individual nylon pocket divider system keeps the sample bottles in a neat and orderly matrix. Each level will hold 48 samples but the matrix can be further subdivided or dividers moved to accommodate more or less depending on size of laboratory samples. Coloured for different uses. The trays are leakproof and can be made from a range of materials which are resistant to chemical substances.