Material Soda-lime glass Color Clear or any Pantone color sprayed and plated Size mix sizes Certification FDA and LFGB approve it's safe for health 1. How can we know these are really lead free and food grade? -- As usual for glass we have common material , high white material, crystal white material, all these material are suitable for food grade and lead free, we pass food grade test,no need to worry safety. 2. How can I get a sample to check your quality? Do you offer free sample? -- Yes, free samples are available,direct trade assurance order is allowed. Only freight cost is on your side which will be refundable once the order was placed. Or if you have a courier account, we can arrange samples by collected. 3. How about the Safe package and defective and broken questions? -- For small order or samples, we all use bubble bags or foam to pack one by one, so far customers who placed small orders have not yet feedback about the damaged problem. -- For large quantity of container order, we support the standard export pallet package or paper carton with safe egg packing. Also we accept customized gift box. -- Other accessories like caps will put in another carton to avoid hitting. We will guarantee the broken rate under 0.2%. -- We will compensate the defective and broken bottles by your next order freely. 4. What surface handing could you support? Shall we do our logo on it? -- Sure, we can do the logo as you need and support decoration firing ,screen printing, hot stamping, frost, label printing etc. -- About printing color: it can be made according to PANTONE color number. 5. How about the sealing? -- For glass jar, we have glass lids, plastic caps, metal caps and ect, all these kinds of lids will be matched with the jar perfectly and sealing very well. There is a small strip of rubber under the lid where the glass hits the lid. They seal pretty well.Food-grade rubber in line with EU export standards,the lids are very easy to screw on and off. Just one twist for on and one for off. 6. What about the lead time? -- Samples will be send within 12-24hours after we receive your payment; -- Small orders will be delivery within 7-10 days after we receive your payment. -- Large quantity orders will be delivery with 20-25days.