The Primula 30-oz Stainless Steel Chug & Sip Water Bottles in Blue come in a set of 2, making them perfect for staying hydrated on your outdoor adventures. These bottles are made of durable stainless steel, ensuring they will last for years to come. With a generous 30 oz volume, they are perfect for keeping you hydrated during long hikes or camping trips. The chug and sip design makes it easy to drink from on the go, and the sleek blue color adds a stylish touch to your outdoor gear.