Water-Tight Seal, No Leaks 🍹 Tins fit each other perfectly that ensures a water-tight seal every time. The small tin sits 1 inch /2.5 cm inside the big tin when shaking. 🍹 No leaks or spill and will not freeze shut when shaken with ice. Fits all standard hawthorne and julep cocktail strainers. 🍹 Unseals pretty easily when pour out the drink and provides a cleaner, dripless pour Food-Grade 304 Stainless Steel 🍹 Made of food-grade 304 stainless steel with mirror polished exterior, rust FREE and is especially thickened (0.6 mm) to make it super durable. 🍹 The 18oz shaker is nicely weighted at the bottom adds extra stability to prevent tip-overs. Easy To Use 🍹 Easy to use for both beginners and experienced bartenders, a must-have cocktail shaker kit for professional bartenders and home cocktail lovers to make all kinds of drinks such as margaritas, daiquiris and mojitos.