Wide applications: These bells can let you hear the sound of your animals on the farm, and you can easily find your animals. Use ropes to string cow bells on the door or railing to prevent some wild animals or deer from approaching the farm. At night, you can quickly contact neighbors in the countryside. Specifications: Size: 3.7 x 3.5 x 2.4 cm/1.46 x 1.38 x 0.94 inch. Color: copper and brass. Material: copper.Package includes:5 x Small brass bell.Note: Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. Our bells do not include pet collars and should be purchased separately.