【Leak Prood Lids】Our kids cup have a practical lid with dual opening, a large-sized hole with a silicone stopper that perfectly fits a straw for beverages, and a splash-proof sip opening for other drinks. Equipped with a special plug, these straw cups can be leakproof when the plug is closed. The spill-proof cups are good for adults and children take them anywhere and use them on any occasion, traveling, back to school, or camping. | 【Soft Material Straws】Each flexible straw is made of soft and chewable silicone which won't hurt your kid's teeth or lips, your kids also can bite the straws while drinking. These toddler cups can be used as straw cups or airtight kids tumblers easily, with no need to replace lids. All in all, if you have younger kids who are trying to get away from sippy cups, these are a great transition. The 12oz stainless steel straw cups can be stacked which 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, and it can withstand multiple falls. It also has a polished outer surface, thick walls, and a sturdy base, protecting kids from hurt by sharp edges, and won't rust after a 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 Protective Sleeves】 Our 12oz kids spill proof cups with colorful 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 take and toss straw cups are good for your kids take them anywhere and use them on any occasion, traveling, back to school, hiking, biking, office, camping, etc. It is also a perfect gift for Christmas, Birthday, Anniversary, Halloween, New Year, Thanksgiving, Wedding, Children's Day for your darling wife, family, friends, colleagues, and classmates.