PACAKAGE INCLUDEDS:4 pack bamboo lids with hole(JAR NOT INCLUDED), 4 pack stainless steel straws and 2 cleaning cleaning brushes for straw. These bamboo lid perfectly fits mason jars with regular or wide mouth, HIGH PERFOTMANCE: TRUSBER Bamboo regular mouth jar lid with straw hole that fits mason jar is sealed with silicone gasket, providing better coverage for the jar. With these bamboo lids, you can turn your jars into BoBa bubble tea cup to make Boba Tea, and the straws are accessible to boba. NATURAL BAMBOO MATERIALS: Reusable regular mouth jar lids are made of food grade natural bamboo and silicone which are non-toxic and can last for years. The silicone sealing ring is removable for easy cleaning. They are dishwasher safe and can be reused for countless times LARGE STRAW HOLE: There is an large straw hole on the cover for easy drinking. The stainless steel straw is perfect fits the hole and large enough to drink boba, or other liquids like: smoothies, juice, jam, water, syrup, home squeezed orange etc,.Very convenient and practical lids work with mason jar with regular or wide mouth COMMITMENT BY TRUSBER: We are dedicated to providing our customers with both best service and great products! If our product can not met your expecations, we guarantee you with refund or replacement as needed