The Stainless Steel set of 4 cups by Red Rover contains 4 high-quality kids cups of the same size - 10 oz. Made to last a lifetime, these steel sippy cups are perfect for daily use. They're great for smoothies, milk, juice, tea, ice cream and more. Our stainless steel drinking glasses feel completely natural to hold, they are unbreakable, durable, lightweight, safe, solid, healthy, enviro-friendly and easy to clean. These toddlers cups make for a great gift as they come beautifully packed in an eco-friendly box, with 4 silicone sleeves. This stainless steel cups set is a must-have kitchen accessory for the health conscious family. Product Details: 4 Metal cups for kids and toddlers and 4 removable and protective silicone sleeves in blue, green, white and purple. Premium 304 18/8 Stainless Steel, Brushed Finish with Rounded Edge. TOP RACK dishwasher safe. Food-Grade, BPA Free, No Toxins, Stackable, Eco-friendly and Reusable. Our cups are perfect for kids, toddlers and children. Get ready to enjoy the pure taste of your favorite drinks.