High Quality Material: These 3x4 zip bags are waterproof and sealed. A sturdy zipper seal. Our small zip bags feature a premium zip that promotes long-term sealing and protects the contents.Value Packaging: You'll get 400pcs 3" X 4" clear zip jewelry bags plastic bags, each 2 mils thick. We have various sizes and sufficient quantities for you to choose.Food Grade Safety: These small zip bag are made of low density polyethylene (LDPE), no odor, safe material, no acid, food grade safe. Great for storing, keeping fresh and protecting your belongings.Easy to use: Apply pressure to the seal of the small plastic bags between your thumb and index finger, then slide the seal from different directions. Then you can easily put items in the bag. Our small zip bags 3x4 can be reused multiple times.Multifunctional Use: These jewelry zip bags are easy to organize and store your jewelry, clothing, daily essentials and other small parts. Our plastic jewelry bags are also ideal for industrial, food service and medical