🍹【Safe & Reliable Materials】Mason jar drinking cup is made of high quality glass, food grade natural bamboo lid and plastic mason jar lids and 304 stainless steel straws. BPA and PVC Free, The glass can withstand the temperature between -68°F to 212°F, dishwasher safe, reusable and environmentally friendly. Good choice with our glass iced smoothie cups to store food and drinks. 🍸【Large Capacity & Complete Supporting Facilities】25 Pcs glass cups set includes 4 * Large capacity of 24 oz/710 ml wide mouth mason jar, 4 * Nature bamboo lids with silicone seal, 4 * White plastic lids with hole, 4 *Colorful airtight sealing plastic lids, 4 * Reusable stainless steel straws, 4 * Straw cleaning brushes,1* Cup brush, all accesseries are very practical combination suit. 🥂【Reusable Bamboo Cover & Replacement Lids】The bamboo cover cup designed with upgraded silicone pad, which is stronger sealing performance, leak-proof and prolonged. Packaged with white hole lids and colorful airtight lids to meet all your need to keep food or juice. The reusable smoothie cup with stainless steel straw can replace the disposable plastic boba cup and straw for life. 🥤【Multi-purpose & Good Gift】Our mason jar cups meet the safety standard,So you can store food and beverages with confidence. Suitable for jam, jelly, honey or molasses, honey, cocktails, DIY magnetic spices, canned fruits.The reusable bubble tea cup fits perfect in standard car cup holders or carry around in bag for travel, office, shopping, picnic, etc. Great choice as gifts for yourself/ friends/ lovers on Birthday, Thanksgiving, Christmas, Anniversary, or as a gift to your Boba lovers. 💯【100% SATISFIED SERVICE】Our glass cup set are packaged in the heavy bubble holder and thick carton box to prevent damage while in transport. We are committed to improving product quality. Products are tested strictly before they are sold.If you have any issue with our item, please feel free to contact us, we will offer a 100% satisfactory solution.