[Easy to use]: Just put the dispensing tube into the beverage bottle and adjust the length. Tighten the cap and press the trigger, the beverage will automatically flow out.[Universal Cap]: The automatic straw is suitable for most bottles and cans.[Battery power supply]: powered by 2 "AA" batteries (not included).[Applicable to]: Automatic straws are suitable for daily life, banquets, outdoor barbecues, home kitchens and other occasions.Colour:WhiteMaterial:ABSSize:34.5 x 6 x 11cmPackage Contents:2 x Water pressOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.