5 Mainstay NEW Water Bottles 4 in light pink translucent color with stainless steel construction come in three sizes - 18, 22, and 30 fl oz, 5 included, 2-18 oz, 2-22 oz, 1-30 oz included. These reusable water bottles feature a screw-on lid and are perfect for outdoor activities like camping, hiking, and sporting goods. With the Mainstay brand known for quality products, these water bottles are durable, stylish, and convenient for staying hydrated on the go.