Brain Eco Martingale Collar Size:Small here's to the building blocks

here's to the building blocks of life

and will just keep getting softer and fluffier the more times you wash them

We all know there's more to coffee than just a caffeine pick-me-up

What do you get when you cross chemistry with canines

Brain Eco Martingale Collar Size:Small here's to the building blocksA brainy collar for a smart dog! Martingale collars are what you need if your dog's head is smaller than its neck like a greyhound or a whippet, any dog prone to slipping their collar, or dogs with delicate tracheas and necks like chihuahuas and pomeranians. Our Martingale collars are available in three sizes, adjustable, and built with rPET webbing (made from recycled soda bottles).