This item may be available in a different size, colour, scent, version or platform:
Nathan Push Pull Cap-Pack of 4
Push-pull caps-4 pack
Caps are interchangeable and work on every Nathan flask
Fits all 8 oz, 10 oz, and 18 oz Nathan flasks. Soft-sip cap gives you easy access to fluids. Soft-sip nozzles designed for greater comfort when drinking on-the-go