【PRODUCT INCLUDE】Mason jar drinking glasses includes 4* 24oz mason jars, 4* bamboo lids, 4* reusable stainless steel straws, 2* white plastic lids with hole, 2* detachable sealing white plastic lids, 1* straw cleaning brush, 1*cup cleaning brush. All accessories are very practical combination suit. 【PREMIUM QUALITY】Glass cups are made of high quality durable clear glass, thermal shock resistant, 100% BPA-free, food grade borosilicate glass, anti-slip bottom. These thick clear glass can withstand the sudden changes in the temperature difference between -68°F to 212°F, you can pour boiling hot water or ice into it. 【LARGE CAPACITY & LEAKPROOF】Featured in large capacity of 24oz. The upgraded silicone rings of our Beer can glass set cover the entire bamboo lids, perfectly block water, achieving 100% leak proof to prolong the service life of bamboo lid. Airtight seal silicone stoppers help lock in nutrition, freshness, flavor & no more spills. 【MULTI-PURPOSE】 Great for any occasion, any hot and cold drinks. The glass cups with bamboo lids are widely loved by families, kitchen, breweries, cafes, bars and restaurants. You can use it to make perfect tea, boba bubble pearl milk tea, soda, water, iced coffee, smoothie, fruit juice or any other interesting holiday drinks. 【GORGEOUS GIFTS】Treat yourself or your guests with your custom-flavored beverages in these elegant & fashionable drinking glasses. Surprise your lover, friends or family members, with this glass cups set as amazing gifts for Birthdays, House warming gifts, Tea Sets, Home Bars, Graduation, Weddings, Bachelorette Parties and Christmas Gifts.