Specifications:One side is smooth, there are fine lines on the other side.The left and right edges have been sealed, and the length can be freely cut according to the actual needs of each time.Suitable for all food vacuum packaging, can also be used for other product packaging.The vacuum bag quality is very stable, the air leakage rate is very small, and the service life is long.Item Name: Fresh-keeping BagMaterial: Food Grade PlasticFeatures: Transparent, Durable, Food Keeping BagSize Option:12cm x 500cm/4.72" x 196.85" (Approx.)15cm x 500cm/5.91" x 196.85" (Approx.)17cm x 500cm/6.69" x 196.85" (Approx.)20cm x 500cm/7.87" x 196.85" (Approx.)25cm x 500cm/9.84" x 196.85" (Approx.)30cm x 500cm/11.81" x 196.85" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Roll of Fresh-keeping Bag