Genetics & DNA Eco Martingale Collar space but it keeps your water

but it keeps your water cool too

black and gold all-over design

from the crispy crust we live on to the molten core

or pack it with your binoculars and head out birding

Genetics & DNA Eco Martingale Collar space but it keeps your waterDNA helices and base pairs wend their way around this Genetics & DNA collar that's perfect for any fuzzy friend, no matter the phenotype. 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