Klean Kanteen Steel Loop Cap

Compatible with all Classic Kanteens, this cap is leakproof 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. NOTE: not intended for use with hot beverages.
Features:

Leakproof
Durable, all stainless design
Cap creates all stainless interior
Dishwasher safe
Not recommended for hot beverages