I will flatten it and send it via Takkyubin Compact. Please refrain from purchasing if you are concerned. Product Information ・【Safe】Made of 100% high-quality food-grade silicone. FDA approved, BPA free. ・【Widely Used】Suitable for making mousse cakes, jellies, cooked foods, chocolates, ice cubes, etc. ・【Heat Resistant】Safe from -40 to 230 degrees Celsius. Suitable for microwave, freezer, and dishwasher. ・【Foldable】Silicone is flexible, so you can fold the pan without breaking it. It also returns to its original shape when unfolded. ・【Easy to Clean】Silicone trays are non-stick. Even if the dough sticks, it won't stick, so you can easily clean it with warm water. You can put them in the dishwasher or use hand washing to clean them.