Solve all your storage needs and stand the tests of time, with these lemon jelly, Gratnells international, award-winning extra deep trays. •BSI tested, fully recyclable and made for heavy educational use. •They come in an exciting range of colours and 4 different heights, which means you can choose exactly the storage that suits your needs. •All Gratnells trays fit standard school furniture so you can mix and match a whole range of different colours, lids and tray heights knowing they will all fit with the rest of your classroom storage.Dimensions: 312 x 427 x 225mm extra deep.