Bink Day Bottle Cobalt Blue New With Twist Lid The Bink Day Bottle in cobalt blue is a stylish and functional water bottle perfect for outdoor activities like camping and hiking. With a 21 oz volume and a screw-on twist lid, it is easy to fill and drink from on the go. The bottle features a straw for added convenience and is made of durable glass and silicone materials. The sporty design and solid theme make it a versatile choice for staying hydrated in any environment.