The Bottle Butler in Brushes is designed to provide convenience and practicality for parents on the go. It features an insulated lining to keep bottles warm or cold, along with a secure side-zip closure. Easily attachable to a diaper bag via the top clip, this BPA-free and Phthalate-free product can give you the peace of mind that you need. Its lightweight, durable taffeta exterior ensures a modern finish with a water-resistant interior. With an ample capacity to hold 1 large bottle or sippy cup, or two smaller bottles in dimensions of 3" W x 8.5" H x 3", this product also is easy to clean and machine washable, giving convenience and practicality all in one.