freshness protection package grocery bag refrigerator hand tear bag thickened household goods sealed continuous roll storage vacuum texture fresh

flat mouth medium size 20 * 30cm/≈ 50 pcs flat mouth large size 25 × 35cm/≈ 50 pcs flat mouth medium size 20 * 30cm/≈ 100 pcs flat mouth large size 25 × 35cm/≈ 100 pcs flat mouth medium size 20 * 30cm/≈ 300 pcs flat mouth large size 25 × 35cm/≈ 300 pcs

1 roll