INTRO a natural, toxin-free way to enjoy your drink... because #plasticsucks! this is a very natural product made from organic certified bamboo. dimensions are 6mm x 23mm for the long size and 6mm x 145mm for the short size. CARE INSTRUCTIONS this item needs washing before first useIf there is any pith on the inside of a straw, it can be brushed out and then washed. it is natural and edible so of no concern. please note, we do not recommend putting the straws and the brush provided in the dishwasher. please wash using warm soapy water. GROWING APART? if you decide that it's time to let your straw go, remember: organic bamboo straws are 100% compostable! REPLACEMENT FOR... plastic straws! research suggests that in the USA alone they use 500 million straws a day. enough to wrap the circumference of the earth 2.5 times! instead of biodegrading, plastic degrades into smaller and smaller pieces and guess where those end? either ingested by marine or land animals.   together we can change this stat - start now!