The Steel Loop Cap is leak proof and creates a 100% stainless environment inside your bottle. Made from 18/8, food-grade stainless steel, threads included, your drinks never touch plastic. Dishwasher safe. Compatible with Classic Klean Kanteens only. NOTE: not intended for use with hot beverages.

Features - 

• Durable, all-stainless design
• Handy attachment loop
• Cap is leakproof
• Cap creates all-stainless interior
• Dishwasher safe
• Patented Klean Design
• Compatible with Classic Klean Kanteens only

Specs - 

• Weight 2 ounces (56.7 g)
• Size 2.65" H x 2.1" W (67.3 mm H x 53.34 mm W)
• Leakproof Yes
• Note Not for use with hot beverages