Grain-Free Mackerel & Chia Seed Paws – Nourishment for Skin & Coat These grain-free, paw-shaped treats are made with a tapioca base and packed with whole mackerel, chia seeds, and beetroot. Rich in Omega-3s and ideal for skin and coat health, they’re a great option for dogs on grain-free diets—wholesome, tasty, and easy to digest.