【6 Pack 12oz Widely Application】: 6 Pack 12oz kids drinking tumblers are widely used for many occasions, home, picnics, parties, birthday, BBQ, school, travelling, camping, biking, hiking. it is also a great gift choice for your family, friends 【Leakproof & Straw Friendly】: 12oz unbreakable smoothie cups with upgraded lids are totally spill proof when sealed, don't worry about cleaning mess or stains, 2 way drink holes on the top for sipping easily. Silicone straws friendly won't hurt your kids teeth or lips, ensure safety for kids 【Colorful Stackable Design】: Sippy cup with colorful silicone sleeve makes it easy to finger out their own cups. Sleeve can put your hands in comfort, no worries about harsh hot or cold shocks from water, coffee, milk, juice, ice cream, stackable design makes it easy to store, take it to anywhere 【Safe Material Durable】: Stainless steel kids straw tumblers are made of 18/8 stainless steel designed for food, BPA free,free of phthalate, lead and toxins. The travel tumbler can withstand multiple falls, Won't rust after long time using 【Easy to Clean】: These sippy cup with straw are easy to clean, hand wash or dishwash safe