HIGH-QUALITY MATERIALS: These resealable bags are made of food-grade laser film PET and CPP, so they are not only non-toxic, no abnormal smell, corrosion and temperature resistance, but also strong tensile strength, strong and durable, so their have a long service life .EXCELLENT DESIGN: We adopt the technology of occluding concave-convex buckle for the seals of the ziplock bags, and at the same time thicken the seals of the ziplock bags, so that they have a tight bite, strong sealing, and can maintain long-term moisture and mildew resistance. So as to keep your supplies properly. .WIDE APPLICATION: These storage ziplock bags have excellent deodorizing ability, so they are suitable for packaging and storing supplies. You can be used for long-term storage of foods such as candies, dried fruits, whole grains, seafood, cooked food, etc., and can also be used for packaging and storage of daily necessities such as jewelry, hardware, earphones, and data cables .PRODUCT APPEARANCE: One side of the ziplock bag is holographic rainbow color, which makes it look fashionable and exquisite, and can add a sense of high-end and perfection to your stored supplies. The other side of it is transparent, so you can easily identify the contents of the storage bag for your next use. .PACKAGING AND SIZE: The package contains 50 pieces, these sizes and quantities can basically meet your daily needs, and save you from worrying about packaging. Size: 7.512cm/2.94.7in, please check the size carefully before placing the order .