The Kanga Performance Rooski is the first double walled, vacuum sealed stainless steel can-cooler designed with Kanga's Patent Pending "No-Slip" Grip and "Reload Gasket" to create the most comfortable and convenient cold drink experience. Key Features "No Drop" grip feels comfortable and secure. "Reload" Gasket makes reloading cold ones effortless. Vacuum Insulation keeps drinks ice cold from first sip to last. No condensation. Durable 18/8 Stainless Steel prevents dents. Made for slim 12oz cans, standard 12oz cans, and standard 16oz cans. Perfect for an adventurous life lived on the go.