SPECIFICATION:Bag Size: 350 x 250mm/14 x 10 inches (L*W)Material: POF(Polyolefin)Shrink Temperature: 212°F-338°F (100-170º C)How to Use the Shrink Wrap Bags: Step 1. Put the product in the shrink wrap bagStep 2. Seal and cut off the redundant part with the impulse heat sealerStep 3. Heat the bag with a heat gun or a professional Tunnels Heat Shrink Packing Machine Step 4. Until the shrink bag completely clings to the productTips:1. If it is used for DIY package, the heat gun can not stay in the same area for too long. It is necessary to keep moving the heat gun to avoid excessive heat expansion.2. Ordinary household hair dryers can't work because it can't heat up to the 210°F-338°F required for shrinkage !3. During production, a small pinhole vents have been made on the bottom of the bag for easy and perfect shrinkage,and the holes won't be obvious after the heat sealing is completed.Size suggestion:The required length of the POF bag should be greater-or-equal (L+H+1.8) inch, and the required width should be (W+H+0.4) inch to (W+H+0.75) inch.DESCRIPTION:1. POF centerfold shrink film is a multi-purpose centerfold shrink film for products. It is strong and flexible, but softer than PVC film. POF film is also highly tear resistant with superior optical properties. The film has an excellent gloss and sparkle with low haze and crystal clear clarity for enhanced appearance and product appeal.2. The POF bag has a high burnout resistance so there are NO deposits on sealing wires. The strong skintight film extends the shelf life of products and also protects these products from dust, moisture. Moreover, the film will protect from pilfering as it provides a tamper proof package.