Anatomical Heart Eco Martingale Collar Butterfly Garden and front and back pages

and front and back pages with iconic MSE illustrations

As you descend beneath the waves

Let yourself get lost in your genetics research with this chromosome-inspired Elegant Genes Lab Notebook

With a bottle this size

Here’s a tote that’s all about entomology

Anatomical Heart Eco Martingale Collar Butterfly Garden and front and back pagesFor those pups that are full of heart, or who love a heart pumping zoomie session, this is just the collar for them! 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