Builtin Removable FilterWater tumbler with straw and lid has a removable filter to filter tea fruit tea and ice while drinking effectively preventing clogging Straight mouthThe water cup with straw has a 360 degree leak proof lid that is safe to drink and will not spill or dust MULTIUSED WITH STRAW AND LID Glass cup with two reusable food grade silicone straws will make the easy drinking Or you can take off the lid and drink directly The lid is leak proof as there is a little stopper to stop up the hole The mug with or without straw and lid is multipurpose as a coffee mug milk cup water mug tea cup juice or any other beverage cup THOUGHTFUL GIFTSmoothie cup is a helper to provide water and beverage supplies on time meet your daily life and sports drinking needs A great gift for both adults and children