Specifications: Slim, double-walled stainless skinny can cooler, vacuum insulated technology to keep your cold beverages cool for 20x longer than standard can coolers. Fits all standard 12 oz cans. Push lock technology and non-slip base. To use: push your can into the slim and the push-lock technology will keep it in place; when you’re done drinking, unscrew the gasket to remove the empty can. Hand wash only - do not put in dishwasher.