Leak-Proof & Straw Friendly - Spill and leak-resistant design prevents mess and never worry about cleaning mess or stains for your kids. 2-way drink holes on the top for easy sipping and straw friendly. Easy sipping from the edge of the tumbler directly or put the straw in the center hole on the lid. The convenient toddler cups with straws are super handy and fit vehicle cupholders, so kids can drink on the go or during playtime at home.^ Premium Material - The toddler straw cups are BPA free, also free of phthalate, lead and toxins. The spill proof cups with straws are made from 304 stainless steel that is designed for food, which has no chemical odor and not easy to break. Won't rust after long time using. Our tumbler with lid and straw works well as a reusable smoothie cup, travel water bottle, outdoor camping cups, party drinking cup or iced coffee cup.^ Colorful Sleeves & Stackable Design - The travel tumbler come with colored silicone sleeve can identify which cup is yours. The sleeve not only protects your hands from harsh hot or super cold beverages, but also make it easy to be hold. Without worrying about severe thermal or cold shock. Not recommended for so hot liquids. The straw sippy cups can be stacked. it's allows more convenient and easier storage without taking up too much space.^ Unbreakable & Dishwasher Safe - The lightweight stainless steel kids straw tumblers can withstand multiple falls, great for both adult and children who tend to drop or throw their drinkware, not easy to rust and break, deformation, last than plastic and glass cups. The edges of the cups are smooth, just throw in dishwasher for easy cleaning.^ Great for Many Occasion The sippy cup with straw is suitable for cold beverages. Ideal for getting your kids or partner to drink their water, juice, milk, smoothies, ice cream, iced coffees and more. The portable cups are good for adults and children take it anywhere and use in any occasions, travelling, back to school, camping, picnic