Really Useful Products Ltd. offer a wide range of innovative storage products. Our 0.14L box is a patented, strong, stacking storage box. Really Useful Products Ltd offer a wide range of innovative storage products. Our main product is a range of patented, strong, stacking storage boxes. Whatever your storage and handling problems we can offer you a cost effective solution.||. Color: Purple. External dimensions: 3-1/2" x 2-5/8" x 2" . Weight: 1 oz.. Suggested uses: desktop supplies or nails & screws storage. Color: Transparent Purple