Fangrui Product Details The Metal Is Made Of High-quality Stainless Steel, Which Not Break Like The Glass , Is Sturdy And , And Has No Rubber Seals, Which Not Break And Deform Over Time, Allowing You To Use It For A Long Time With Confidence You Receive A Set Of 6 Pieces Stainless Steel Cocktail Shaker Set, 2 Sizes, Including 3 Pieces 18 Oz And 3 Pieces 28 Oz Shakers, Plenty Of Quantity, 2 Sizes To Meet Your Multiple Uses Leak Proof Boston Shaker: Tested To Be More Waterproof And Less Likely To Leak Than Glass Shakers, This Boston Shaker Set Is Less Likely To Freeze, Drip Or Spill When Pouring Drinks Dishwasher Safe: The Cocktail Shaker Is Easy To Clean After Making Mixed Drinks, You Can Easily Put It In The Dishwasher And Wait For It To Clean Again, Effectively Saving Your Time And Energy Great Choice For Bartenders: The Bartender Shaker Can Be Quickly Cooled For Mixing Classic Craft Cocktails, Beverages And More, Sturdy Enough For High-volume Bars And Home Bars, For Bartenders And Can Be A Must-have At The Bar Drinkin