Stainless Steel Pint Cups 11-16oz of 4 Premium Metal Drinking Glasses, BPA Free ,Stackable, Durable, Shatterproof Single Wall Leather case included Cups for Camping, Outdoors, Pool, Beer FOOD GRADE STEEL: SUPORITA uses only the premium stuff - 100% BPA Free 304, 18/8 steel. These are super high quality (and the most fun) of all the steel drinking glasses. LEATHER CUP COVERAnti-slip and anti-scalding, PU material, thick leather case, thirsty and hot drinks will never be hot again. MINIMALIST: Stackable and packable! Sometimes a non insulated glass is just more practical. These are the perfect choice for camping, boating, RV, and as a pool cup. Many outdoor activities are better with SUPORITA party cup. ENVIRONMENTAL, YES!: Death to the plastic cup! We should all drink from stainless steel cups whenever we can. Glass has its place, but harsh plastics and many ceramics should often be replaced with clean, healthy stainless steel! At SUPORITA, our mission is to bring more people to stainless steel through more diverse options and designs. Let's do this!