The 2125" stainless steel threads work with standard hiking and water filters
Made from healthy, recyclable food-grade stainless steel that is durable and reusable
Comes with a stainless steel loop cap for use with a carabiner or the flip d-ring cap is available as a separate accessory
Dishwasher friendly and easy to clean-no special brushes required
Comes with a paper band around the middle of it .