Size: as required. Materials: White-coated paper for waterproof, against rain Surface handling: Flexo printing. Usage: Fruit-growing packaging. Feature 1. Left side with iron wire, easy seal does not hurt hand 2. Hydrophobic and raining proof 3. With high opacity, the fruit turns a good color 4. The special black paper does not dye fruit 5. White one-layer and Brown two-layers available 6. Bottom with drain hole