Feature 1Adopting the improved design, the glasses are securely attached, not easy to fall 2Optimize the shape of the eyeglasses, and the design ofanti-rolloverdouble beam. Remove the straight brace of regular glasses, and do not prevent the cockscomb growing 3Optimized design, can be worn with special tool, also can be worn directly by hand, easy to wear 4Keeping your chicken from pecking each other. Improving the survival rate and increasing the egg production 5Effective control of chicken pecking hair,peckinganal,peckingtoe,pecking egg, etc.Specification Feature: Adopting the improved design, the glasses are securely attached, not easy to fall. Optimize the shape of the eye glasses, and the design of double beam, will be anti-rollover, instead of the pin bolt of regular glasses, and do not prevent the cockscomb growing. Optimized design, can be worn with special tool, also can be worn directly by hand, easy to wear. Keeping your chicken from pecking each other. Improving the survival rate and increasing the egg production. Effective control of chicken pecking hair, pecking anal, pecking toe, pecking egg, etc., the survival rate increased to 97%, and the total gross hair rate of the chicken will be above 98%. Egg production increased by 15% and egg breakage reduce by 0.3%. Reduce the amount of exercise in the flock and reduce the consumption of feed by 8% to 12%. The density of raising can be increased by about two times. Directions: 1. Open the lenses slightly with circlip plier or hand. 2. Attach pinsof the glasses to the chicken's nostrils, so put it on. Specifications: Material: Plastic Color: red Size: approx. 43 x 27mm/1.96 x1.06 inch Quantity: 20 Package included: 20 x Chicken glasses Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }