Stainless Loop Cap by Together Bottle

The stainless Loop Cap fits classic wide mouth 12, 18, 27, and 40 ounce stainless steel bottles securely. The Loop Cap twists on and off and has a loop for easy attachment to your bag. Properly closed, the cap will not to spill, even if you throw the bottle in the bottom of your backpack. Durable, sanitary, and non-reactive stainless steel is the material of choice among the food processing, dairy and brewery industries. The sanitary grade 304 stainless steel used in this cap also has a low nickel content, further reducing exposure to potentially irritating substances