Rainbow Stainless Steel Cups (8oz/12oz) Why Choose MUMIGUAN Stainless Steel Kids Cups? 1. Material : Made from 18/8 food-grade stainless steel, the outer wall features a rainbow electroplating process, offering enhanced corrosion resistance and wear protection. BPA-free and child-safe. 2. Portable : These Cups Can be Stacked and Packed, lightweight, and very Convenient to Use and Carry. 3. Durable : Sturdy, Anti-Drop, Can be Used Repeatedly. 4. Rust Resistant : The Inner Wall Uses Electrolytic Process, Frosted texture, rust prevention, Very Easy to Clean. 5. Reusable : Durable and solid construction allows for reuse, Reduces plastic cup pollution. These stainless steel cups will perfectly replace disposable plastic cups and reduce a lot of plastic pollution. You don’t need to worry about ingesting harmful chemicals hidden, so you can use it with your children and family. PS: Comes with a black mesh drawstring pocket for easy outdoor carrying for 12oz/16oz/20oz products. If you don't like it, You can use it for other stuff. It's free. A Safe, Durable, Portable and high-quality Stainless Steel Cup is what you need Healthy Unbreakable Premium Metal Drinking Glasses CPSC / CPSIA PASS