This Bestie water bottle by Asobu is a 16-ounce (460 ml) insulated kids bottle made from stainless steel and silicone for everyday durability. This vacuum-insulated drink bottle uses double-wall technology to keep beverages cold for up to 24 hours. This features a removable, collectible silicone character head that adds playful personality to each sip while remaining easy to clean. This travel-friendly reusable water bottle fits most school backpacks and cup holders for on-the-go hydration. Asobu quality delivers a premium look and dependable performance that makes daily hydration simple and fun for children and caregivers.