About

About Best Friend Supplies Co. Best Friend Supplies Co is a woman-owned, pet accessory and dog advocacy brand based in Boston MA. Our pet accessory line includes stylish bandanas for every season – plus we have matching collars and bows to help keep your pup looking their best. Our dog advocacy line is based on our leash sleeves – bright signs that attach to a dog’s leash – that alert others of the dog’s particular needs or disposition. Plus we have an assortment of goodies like shirts, pins, and stickers for all pet owners.