Calling all dog owners! Valid today only, Amazon is offering 50% off Greenies Dog Treats & Dental Chews as Amazon’s Deal of the Day! Choose from 12 different products. These items ship FREE with a $35 purchase, or with Amazon Prime!Calling all dog owners! Valid today only, Amazon is offering 50% off Greenies Dog Treats & Dental Chews as Amazon’s Deal of the Day! Choose from 12 different products. These items ship FREE with a $35 purchase, or with Amazon Prime!