Better than PVC Shrink Wraps: Compared to PVC Shrink Bags, our POF (Polyolefin) Shrink Bags have fewer odors when sealed, stronger seal and more flexible storage. Since POF shrink bags do not have any plasticizers, they can be stored in a wide range of temperatures and do not harden and soften in different environments like PVC shrink bags.Fast and Easy to Use: With the help of heat sealer and heat gun, our POF shrink bags can be used to seal and shrink objects very quickly. Hair dryer can also be used to shrink the bags, however, it might take longer and not provide as accurate result as of heat gun. So, we highly recommend to shrink these bags with a heat gun. Ideal for Multiple Uses: These 4"x6" bags have only one opening in 4" size and can be used to seal soaps, bath bombs, small bottles, boxes and other small DIY objects that need to be vacuum sealed.Environmental Friendly: Unlike PVC, POF shrink wraps do not release Hydrogen Chloride into the air and do not deposit carbon onto the sealer. Our shrink bags have higher seal strength, excellent clarity, non-toxic to the environment and ideal for vacuum sealing small DIY and travel products. 500 pcs /set: Each order has 500 individual 4"x6" POF shrink wrap bags. Each set has 5 rolls - containing 100 shrink wrap bags per roll. This makes it more convenient and easy to work with as you can work with only one roll at a time.HOW TO USE:(i): Put the object you want to vacuum seal in the shrink wrap bag.(ii): Use the heat sealer to seal and remove extra plastic.(iii) Use the heat gun to shrink the plastic.
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