Martin Saddlery Alpaca Breast Collar The Martin Saddlery Alpaca Breast Collar features 2" style with 13 strands of alpaca fibers that stay soft and pliable. Made from only natural mohair fibers, free of dyes and chemicals that can cause irritation. Colors may slightly vary. Features: Made from natural alpaca fibers 2" style 13 strands of alpaca fibers that stay soft and pliable Free of dyes and chemicals that can cause irritation