Visable Front Clear Self Seal Zipper Plastic Bags with Hang Hole Resealable Retail Packaging Zip Lock Poly Reclosable Electronic Jewelrys Gifts Storage Display Packaging (50, 18x26cm (7.1"x10.2")) We ship the package to USA via ePacket, normally the estimated delivery time is about 15-20 days If you order above 80 one time, we will ship out the package via DHL, the estimated delivery time is about 4-7 business days Re-sealable, the zip lock bag is easy closed and recycling, and can be made tamper proof with a heat sealer MULTIPURPOSE USE--Perfect for jewelry making, crafts, costume design, electronic products & accessories etc DURABLE MATERIAL-- Thickness: 0.08mm (3.15 mil)(one side) -- Front is clear, Back is golden (inner) + silver (outer)