The shaker is made of stainless steel, and it is safe and non-toxic. It can be used to make cocktail or other drinking; it can be used repeatedly and durable for long time use. Specifications: Condition: 100% Brand New Material: Stainless Steel Color: Silver, Rose Golden, Titanium Golden(Optional) Upper Cup Size: Approx. 88 x 88 x 135mm/3.5 x 3.5 x 5.3in Bottom Cup Size: Approx. 170 x 90 x 90mm/6.7 x 3.5 x 3.5inGroup Box Size: Approx. 90 x 90 x 280mm/3.5 x 3.5 x 11.0inLongest Combined Size: Approx. 280 x 92 x 92mm/11.0 x 3.6 x 3.6in Upper Capacity: 600ml Bottom Capacity: 750ml Weight: approx. 445g/ 15.69oz Package List: A Set of Shaker Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Professional Bartenders Choice: Tough enough for high volume bars and home bars alike, you can use the shaker to make cocktail, easy to use,a very useful kitchen tool to make cocktail or other drinking. Easy to Use: This professional food-grade stainless steel 304 will not break like glass shakers, and has no rubber sealing to crack and warp with age,will not freeze shut, drip or spill as you pour out your drink. Reusable and Durable: This stainless steel shaker cocktai mixer cup is made premum quality stainless steel material,this all-stainless shaker set will not break like glass shakers. Easy to Clean: These dual drinking tumblers are super easy to clean after making mixed drinks,hand wash recommended,just rinse under running water. Versatile Use: This stainless steel shaker cocktai mixer cup,use the shaker for shaken drinks like Margaritas, Daiquiris and Mojitos,suitable for bar, home and party.