... t break as glass Easily stack single wall stainless steel pet bottle18/8, food-grade stainless steelDurable and won' ... plastic. Made of 18/8, food-grade stainless steel, the 16oz Steel Pint Cup is durable, versatile, reusable, and ... of stylish colors.Aluminum Free high quality stainless steel 18-8No lining to scratch when cleaning Free ... , crisp and clean tasting single wall stainless steel pet bottle