12 COLORED SILICONE SLEEVES : Each stainless steel cups will come 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 bulk tumblers easy to be hold, but also protect your furniture away from stains. And the sleeves come in 12 different colors which will make your kids or friends to identify their own cups. 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 plastic drinking glasses, it won’t break easily, and it will not rust for a long time use. LEAK-PROOF LID & SILICONE 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 the silicone straws will protect your kids’ teeth, when he or she is a biter. And the kids drinking cups can be taken to anywhere easily, like outdoors, camping, parties, beach, BBQ, picnics, and any other activities your might have in your life. MULTIPLE WAY TO USE : The spill proof kid cups with straws and lids can be easy sipping from the edge of the tumbler cup directly, and they are also straw friendly. You can also put the straw in the center hole on the lid to drink by straw. The metal sippy cups can be used to drink water, coffee, milk, juice, beer, wine etc... both for kids and adults, hot and cold. EASY TO CLEAN & SAVE SPACE : Our drinking cups are dishwasher safe and stackable which is convenient to store and save space. DECENT GIFT: With the premium quality and attractive appearance, make it an appreciated gift for Mother's Day, Birthday, Valentine's Day, Christmas, Halloween, New Year, Housewarming... any occasion you may like a decent gift:) ShineMe Toddler Cups with Straws Spill Proof, 12pack Kids Sippy Cups With Silicone Straws, Lids and Colorful Removable Sleeves, 12oz Reusable Stainless Steel Tumblers for Indoor/Outdoor