What you will get:The set of bamboo lids with straw hole includes: 2 x 70 mm regular mouth jar lids + 2 x 86 mm regular mouth jar lids with straw hole, 3 x reusable stainless steel straw, 1 x cleaning brush and 1 x velvet bag in total, adequate quantity for you to use Leak proof & Safety:Each mason jar bamboo lid feature straw hole and detachable silicone ring below for leak proof.You do not worry your food flow backwards.these bamboo mason jar lid with straw hole are made of natural bamboo which is biodegradable and safe to use, not easy to get deformed or rusted; The straws are made of stainless steel, non-toxic and durable, contain no BPA phthalate or PVC Easy clean :Just put out the plastic rings ,and clean up easily just by rinsing canning bamboo lids with hot water.After washing, wipe dry with paper or dry Wide compatibility: proper size bamboo jar lids are suitable for wide mouth jar, canning jar, bottle and cup, they can work with drinking glasses and food storage cans of 72 - 86 mm diameter mouth, satisfying your various requirement and useful daily tool for your use ,also can be children's straw cup lids Long use time:These bamboo mason jar lid with straw hole do not rust, so if you make refrigerator pickles, hummingbird food, or open a giant can of diced tomatose and only use part of it you can store the rest in a mason jar without the top rusting.Please note that the glass mason jar is not included.If you receive any damaged bamboo lids please feel free to let us know,we will solve your problem within 24 hours