Satos Collars Collection. One Collar = One Full Vaccination = One Healthy Dog. With every collar that you purchase, one stray dog in need will receive one full round of vaccinations administered through the organization 'Island Dog' in Puerto Rico. SATOS Collars are 100% made in the US with recycled vintage trim, US made nylon, and US made hardware. In other words, this is a purchase that will make your heart smile, and a pup's tail wag!