1.  Your liquid or solid products will be preserved stably by our own formula PE layer that produced by us, which has been tested for 10 years and with dow, Basf etc approved. It's also capable to most high corrosive chemical like pesticide,  toluene etc.
2. Food grade packaging bag including material, ink & glue. Certificate for food packaging production approved. Test report of strength, toxic material etc is available.
3. 8 colors available. Standup / zipper bag available. Various size & volume(3ml - 2L, 3g - 10kg) available.
4. strength of 3-layer & 4-layer material reached 70N and 105N per 15mm width material respectively. It's no problem to hold 5kg - 10kg even drop from 3 meters 5 times without damage.