Description Are you looking for a professional, yet affordable parrot anti-bite collar? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional parrot anti-bite collar must meet you needs. It is one of the best choices for you. Feature - Color: as shown. - Material: acrylic. - Size S: 4.8 x 4.8 x 3.5cm. Inner diameter: 3.3cm, outer diameter: 4.8cm, neck length: 3.5cm. - Size M: 7.2 x 7.2 x 4.3cm. Inner diameter: 3.5cm, outer diameter: 7.2cm, neck length: 4.3cm. - Size L: 9.5 x 9.5 x 5.5cm. Inner diameter: 4.5cm, outer diameter: 9.5cm, neck length: 5.5cm. - Durable: The parrot anti-bite collar is made of acrylic and is durable. Different sizes can be selected according to the size of the parrot. - Perfectly prevents self-harm caused by birds, scratches, bites and other lonely vents. - Easy to Disassemble: Separate the collar into two halves and fasten it on the parrot's neck (you can slightly slap the parrot's neck to make it fit better, pay attention to the hand strength). - Flush the large extension down, careful not to clip the feather in the middle of the collar. - Place your little finger between the collar and the parrot's neck. If the little finger feels comfortable, it's the right size for the parrot. Adjust to see if the collar is too loose or tight. - Note : Some stations will not stand at first, but in order to control the continuous biting, sometimes they have to use physical control. You can let them take a few minutes and slowly increase the time the next day. Gradually getting used to it. Be sure to take your time and observe is very important. For at least 24 hours, be sure to drink water to eat.Packing list: 1 x parrot collar