Take a look Ancient Wisdom Dropshipping transparent polyethylene bags (recyclable) with self-closing pressure system, which allows opening and closed repeatedly without deterioration. 

These are reusable  grip seal bags are ideal for storing small items such as jewellery, potpourri, aromatic granules, sweets, food to freeze, bath products and office supplies. 

Bag thickness: 200 gauge = 50 microns = 0.05mm

We let the cat 😻 out of the bag with how useful they are.