Equations That Changed the World Eco Pet Collar Size:Large Perfect for any mycologist or

Perfect for any mycologist or avid mushroom forager

Rock this notebook in the field or in the lab

or organize your next foray into the field with this Forest at Dusk hardcover journal

and those who enjoy cocktails under the pale moonlight

it's pretty amazing that each one has its own call

Equations That Changed the World Eco Pet Collar Size:Large Perfect for any mycologist orThis math inspired collar is great for accessorizing your favorite fuzzy friend while you work on your problem sets. Designed to be adjustable and durable with sturdy webbing and a metal buckle, these collars are made with rPET (recycled soda bottles)!