The humangear capcap bottle cap is a solution for wide mouth bottles it allows you to have a smaller spout that39s perfect to drink and still allows you to have the wide cap for easy filling the capcap works with all the major brand39s wide mouth bottles to give you a quick easy and cheap alternative the humangear capcap can also be used as a replacement cap if you happen to lose your original lid the bottle cap is made with humangear capcap bottle cap and is dishwasher safe it