1. Food grade silicone, BPA free, dishwasher safe 2. Both hot and cold, temperature resistance -40-230 degrees Celsius 3. About 3cm after folding, net weight about 300g, easy to carry when going out 4. Sealed buckle design, not easy to leak, can prevent food from being crushed 5. Size: 18 x 8.5cm before folding, 18 x 3cm after folding
