【LEAK-PROOF Lids】Our drinking tumbler with straw has a pratical lid with dual opening, a large size hole with silicone stopper that perfectly fits a straw for beverages and a splash-proof sip opening for other drinks.Equipped with a special plug, these kids cups with straws can be totally leakproof when plug is closed.The portable child cups are good for adults and children take it anywhere and use in any occasions, travelling, back to school, camping. | 【Soft Material Straws】Each flexible straw is made of soft and chewable silicone which won't hurt your kids teeth or lips,your kids also can bite the straws while drinking.These toddler cups can be used as straw cups or airtight tumblers easily, no need to replace lids,all in all if you have younger kids who you're trying to get away from sippy cups, these are a great transition.The 12oz children tumbler can be stacked that is convenient and easier storage. | 【Durable 18/8 Stainless Steel】Compare with broken glass and cheap plastic,each spill proof kids tumbler is made of 18/8 stainless steel,it can withstand multiple falls.And it also has a polished outer surface, thick walls, and a sturdy base,protecting kids from hurting by sharp edge and won't rust after long time using.Ideal for getting your kids or partner to drink their water, juice, milk, smoothies, ice cream, ice coffee and more. | 【Non-Slip Colorful Sleeves】 Our 12oz unbreakable smoothie cups with a soft silicone sleeve that makes it easy for tiny hands to grip,it not only protects your hands from harsh hot or super cold beverages, without worrying about severe thermal or cold shock,but also can identify which cup is yours.They are easy to travel with as the narrow shape allows an easy fit in most vehicle cup holders. | 【Take It Anywhere】Our stainless steel kids drinking tumblers are good for your kids take it anywhere and use in any occasions, travelling, back to school, hiking, biking, office, camping etc.It also a perfect gift of Christmas, Birthday, Anniversary, Halloween, New Year, Thanksgiving, Wedding, Children's Day for your darling wife, families, friends, colleagues, classmate.