It is very easy to adjust thanks to the four holes, "Doyle CF" is a dog collar made of nylon with a simple and basic design. The double straps it is made from ensure special comfort and strength, while the coated metal buckle makes the closure secure, adding a touch of elegance. It is offered in classic white and also in bright colors like purple, bright orange, and sparkling green, where all collars have an inner black strip that creates a nice contrast with the other colors. "Doyle CF" is available in four sizes that vary in circumference (from 27 to 53 cm) and in strap width (15, 20, and 25 mm).