Good Quality : Made of premium nylon material the collar is for a perfect fit The collar can be adjusted to the position you need it is safe and durable durable and portable for long-term useNote : This anti crow rooster belt for roosters are flexible,safe and effective and cruelty free when use properly. And It is important to be patient and careful when first fitting your rooster.Features : Suit for chicken duck goose and other poultry Classic and cute design makes your pets looks more stylish effectively prevents chickens screaming disturbing neighbours and interfering people's tranquillityGreat Function : Adjustable for a perfect fit The collar can be adjusted to the position you need Each collar is made with durable and soft nylon material not to hurt your pets neck Make your pet more lovely fashion and differenceChicken collar : rooster collar could not guaranteed to fully stop your rooster crowing The neck belt is designed to significantly reduce the volume and frequency of crowing Results may vary from rooster to rooster and are dependent on the person doing the fitting