SAFE MATERIAL & DURABLE : The ShineMe kids cups are made of food-grade 304 stainless steel,BPA free, they are safe for both kids use and adult use to drink cold juices or hot chocolate. Unlike glass drinking glasses, it won’t break easily, and it will not rust for a long time use, and healthier than plastic cups. EASY TO HOLD : Each stainless steel cups comes with a silicone sleeve for Non-Slip & Heat Insulated. The sleeves are upgrade to whole wrap which can be multiple used as coaster for better protecting your hands from hot or super cold beverages.It not only makes the cup easy to be hold, but also protect your furniture away from stains. And the sleeves come in 5 different colors which will make your kids or friends to identify their own cups. LEAK-PROOF LID & METAL STRAWS : When the lid of our unbreakable water tumbler sealed, they are totally leak proof, no more worries for kid to spill the beverage everywhere. And there are 5pcs bend stainless steel straws for your convenience.It’s your choice to sippy from the edge of the tumbler cup directly or put the straw in the center hole on the lid to drink by straw. MULTIPLE WAY TO USE : The metal cups can be used for water, milk, juice and coffee to go as well, both for kids and adults, hot and cold. And the cups can be taken to anywhere easily, like outdoors, camping, parties, beach, wine, pints, snacks, BBQ, picnics, and any other activities your might have in your life. EASY TO CLEAN & SAVE SPACE : Our drinking cups are dishwasher safe and stackable which is convenient to store without taking a lot of space. DECENT GIFT: With the premium quality and attractive appearance, make it an appreciated gift for Birthday, Mother's Day, Valentine's Day, Housewarming... any occasion you may like a decent gift:) ShineMe Stainless Steel Cups, 5pack Kids Cups with Spill Proof Lids, Stainless Steel Straws and Colorful Silicone Sleeves, 12oz Unbreakable Kids Metal Smoothie Cups for Cold & Hot Drinks, Apply for Adults & Children