Gentle reminder: We take non-stop effort to improve the quality of tube, so the non-premium tube series have very good quality too. For most shooters, especially the beginning shooters, needn't pay extra money to buy premium tube.
*PREMIUM TUBE ROADMAP: Amber 1745(released on March 22,2016) -- Amber 2040 --- Amber 1842
*No black premium tube will be made. Amber color is the natural color of latex without adding coloring material.
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