Q1, What’s your advantage? OEM / ODM are Available High Quality Products Standard We use 100% Recyclable material SGS certification Top quality plastic manufacturer High capacity to supply,product over 30 million each month Q2, What information should I let you know if I want to get a quotation? In order to give you a best offer, kindly please let us know below details: 1. Material 2. Size & measurement 3. Style & design 4. Quantity 5. And other requirements Q3, Could you provide samples for checking the quality? After price confirmation, you can require for samples to check our quality. If you don’t need custom logo printing samples, we can send you instock sample free. Q4, Will I have to supply my own artwork or can you design it for me? It is best if you can supply your artwork as PDF or AI format file. However if this is not possible, we have 5 professional designers who can help you to design the bags according to your requirements. Q5, What warranty you can give me? After getting your goods, please feel free to speak out your problem either about our service or quality, your common is the best way for us to improve our quality. We will find the best solution together.Zip closure - resealable feature adds value to your pouch and extends product freshness Tear notch - added for easy opening. Valves - applied onto pouch for degassing; allows air to escape from a pouch containing coffee. beans. Tin Tie - added onto side gusseted pouches for optional sealing purposes. Window - allows a view of your packaged product. Can be customized in any shape or size. Surface printing - finish can be matte, glossy or a combination of both.1.Health Printing,Non-Benzene,Non-Ketene. 2.Security,barrier,non-leakage,moisture proof, strong sealing 3.Muti-layers lamination makes the bags high barrier against light,oxygen,moisture 4.Comfortable feeling to provide high class quality 5.Material,size,printing can according to customers’ requirement,we can also give some ideas for your reference 6. Strong sealing strength; bonding strength and excellent compression strength