Material: aluminum Diameter:13.5/16/19/22/25/28/30/32/35/38/40mm Length:customized Cap option: small screw up, big screw up cap, flip top cap etc. Printing : 1, 6 color offset printing Sample time Samples can be finished around 15 days after payment and artwork's final approval. Payment term T/t, 30% down payment, 70% before shpt. Quality warranty Gmp clean workshop for pharmaceutical packaging and the iso 9001:2000 for quality system. The new lines which are state, of, the, art, high, speed (150 tubes per minute) fully automatic and computerized make the products' quality excellent and stable. We'll also take responsibility for the products which are proved to be our quality defects without any hesitation.