Body part can be easily cut to trim the size and the silicone tail is bendable to fit any water bottles. ADJUSTABLE: Our gallon water bottle straws are adjustable. It is 30.5cm length, you can tailor it according to the size of your gallon jug. It is suitable for100ml or 2000ml water bottle. EASY WASH: The straws are made of special materials and can be washed directly in the dishwasher. Tips: If there is limescale residue in the straw, please wash the straw with a straw brush and put it in the dishwasher. A SILICONE BOTTOM: It is a special design of a silicone bottom. The straw can be closed inside your bottle and can jump out automatically because of the silicone bottom. Colour: transparent Material: rubber Size: straw: 30.5cm, brush: 23cm Package Contents: 3 x Straw 1 x Brush Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.