Feature: Adopting the improved design, the glasses are firmly fixed and not easy to fall off. Optimize the shape of the glasses, and the double beam design, will be anti-rollover, instead of the pin bolt of ordinary glasses, and n does not prevent the growth of the rooster.Optimized design, can be carried with a special tool, can also be carried directly in the hand, easy to carry. Keep your chicken from pecking each other. Improve the survival rate and increase egg production. To effectively control the chicken pecking hair, pecking anal, pecking egg, pecking egg, etc., the survival rate increased to 97%, and the gross total hair rate of the chicken will be over 98%. Egg production increased by 15%, and egg breakage was reduced by 0.3%. Reduce the amount of exercise in the herd and reduce feed consumption by 8%-12%.The stocking density can be increased by about two times Instructions: 1. Slightly open the lentils with circlip pliers or by hand.2. Attach the pins of the glasses to the chicken's nostrils, then put them on.Features: Material: plastic The color is red Size: approx. 43 x 27mm / 1.96 x 1.06 inchQuantity: 20 Package Included:20 x Chicken Cups Attach the pins of the glasses to the nostrils of the chicken, then put them on. Features: Material: plasticThe color redSize: approx. 43 x 27mm / 1.96 x 1.06 inchQuantity: 20 Package Included: 20 x Chicken Cups Attach the pins of the glasses to the nostrils of the chicken, then put them on. Features: Material: plasticThe color redSize: approx. 43 x 27mm / 1.96 x 1.06 inch Quantity: 20 Package Included:20 x Chicken Cups