12 oz tumblers which will make your design very clear and The 12 oz tumbler are individually boxed. Gift-ready and delicated packaged. Also, we have provided extra accessories: straws and straw brushes with non-slip silicone base Made of 304 18/8 stainless steel, the 12 oz sublimation tumbler is highly durable and resistant to break and rust. With double walled vacuum insulation, can keep your beverages hot for 12 hours and keep cold for 34 hours.