Manufactured from oil resistant silicone. Trays collapse down making these trays easy to store. Inside of the trays are fully magnetic, ideal for storing nuts, bolts, screws, washers and sockets during assembly/disassembly. Soft silicone base for added grip and less chance of scratching surfaces. Features: • DURABLE MATERIALS - Manufactured from oil resistant silicone • EASY TO STORE - Trays collapse down making these trays easy to store • FULL MAGNETIC INTERNAL BASE - Inside of the trays are fully magnetic, ideal for storing nuts, bolts, screws, washers and sockets during assembly/disassembly • SILICONE BASE - soft silicone base for added grip and less chance of scratching surfaces • OPEN DIMENSIONS - Large tray (W x D x H); 278 x 178 x 44mm, Medium tray (W x D x H); 158 x 132 x 44mm, Small tray (W x D x H); 132 x 80 x 44mm • FOLDED DIMENSIONS - Large tray (W x D x H); 278 x 178 x 18mm, Medium tray (W x D x H); 158 x 132 x 18mm, Small tray (W x D x H); 13