Vegan Dog Sticks - Spinach & Kale ( X 120G) – Hypoallergenic Low Fat, Plant-Based Chews for Training & Reward | Sweet Potato & Rice Rawhide-Free Treats. Flavour Spinach & Kale. Flavor Spinach & Kale. [ VEGAN DOG TREATS ] Made with sweet potato and rice, Pawtato Sticks are 100% vegan, non-GMO, and wheat-free dog chews.