It is upgraded version of new design, thickened base, not easily to broken, can be recyclable, that’s a environmental protection cup. Have Leak-proof lid (when closed) for on-the-go convenience, and it also have retractable straw, support cleaner drink and no worry the water leak out when you carry on bag or use it on bed. Place mugs in the freezer for up to 1-2 hours to keep drinks extra cold, then you can enioy a “”COOL”” summer! Fashion Exterior: Unique appearance of ice cracks, perfect to fit the beer, water, soda and other beverages!The good choose for party, car , home used, school water bottle and so on. 22oz also available.