Cuppow turns a canning jar into an instant travel mug! Available in two sizes to fit regular mouth and wide mouth jars. Made in the USA from 100% recycled materials. Overview Canning jars naturally make great beverage containers. Jars are easy to clean, cheap, durable, heat-resistant and leak-proof. Cuppow fits over the mouth of a canning jar and adapts it into a travel mug. Features & Benefits: Turns a canning jar into a travel mug! Comes in two sizes for regular mouth and wide mouth jars Perfect for hot and cold beverages Food safe, BPA-free recycled plastic Made in the USA What size jar do you have? Regular Mouth = 2 A 1/2 inch diameter Wide Mouth = 3 inch diameter How To Use: Choose your canning jar. Unscrew the jar lid. Replace seal with Cuppow. Screw lid back onto jar and your Cuppow is ready to go! Cuppow is easy to clean and dishwasher-friendly.