New design bird deterrent discs, more effective. Double-sided holographic reflective plastic discs, light deterrent, no harm to birds. Rotate 360 degrees to reflect light in all directions. Keep birds from your house, garden, window, orchard, yard, etc. Protect your property. Easy to use. Hang it anywhere you need to repel birds. A Better Way To Protect Your Property Hundreds of birds are affected by this light-reflecting discs. Such as Pigeon, Hawk, Seagull, Sparrow, Woodpecker, Crow and Goose etc. Bird's eyes are very sensitive to light. The disc can reflect different color of dazzle light which confuse the bird's eye. The light keep birds . To maximize effect, we suggest putting the discs in a place with breeze and direct sunlight. Colour:Multicolor Material:reflective material Size:380x76mm Package Contents: 72x reflective discs 96x connecting rings 24x hooks 24x rotating swivel rings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.