https://www.acehardware.com/departments/home-and-decor/kitchen-utensils-and-gadgets/water-bottles-and-travel-mugs/8089140
YETI Yonder Tether Black BPA Free Bottle Straw Cap Mfr# 21070100011 - Ace Hardware
A bottle is only as good as its cap, which is why we brought the best parts of our Rambler chug cap to the brand new Yonder cap. Spin the top off when you need...