Muffin's Halo Guide for Blind Dogs, Large, (Blue) 1st Place Winner of Best New Dog Product at Superzoo 2015 and one of the top products for vision impaired dogs! As Seen On ABC News, The Doctors, Discovery Channel, Fox Business, The Meredith Viera Show and CTV Light weight and comfortable, made out of polyester/cotton twill and a stylish easy fit with adjustable velcro straps Muffins Halo Blue Angel Wings does not hinder a dogs normal daily activity. They can eat, drink, sleep and play with it on. Patented device that allows blind dogs to quickly and safely become familiar with their surroundings