Astronomy Eco Martingale Collar Material_rPET There's nothing more magical than

There's nothing more magical than mushrooms that glow in the dark

but few opportunities to share their work

Titanium alloys – like this pen – are often used in jet engines

or draft your latest astronomical theories in this Star Map notebook

5 mm ink cartridges

Astronomy Eco Martingale Collar Material_rPET There's nothing more magical thanBring the stars a little closer to your out of this world fuzzy friend. 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).