NiHome 2PCS Silicone Dual-Handle Cups Grip Compatible with 12-15oz Owala Zak Kids Tumbler, Accessories Handle Fit for 14oz Simple Modern Contigo Kids Tumbler, Handles for Home Travel Outdoors

comments:

bluhippo posted on r/moderatelygranolamoms2w

Something like this. Amazon link for and example but I think you can find things similar at most big stores. It seems they fit most small kids bottles.

NiHome 2PCS Silicone Dual-Handle Cups Grip Compatible with 12-15oz Owala Zak Kids Tumbler, Accessories Handle Fit for 14oz Simple Modern Contigo Kids Tumbler, Handles for Home Travel Outdoors | eaves-shop