Made of good stainless steel, plastic materials, this spike is practical and durable, good toughness and flexible. It can be placed in the garden, countryside, park, don't want to let the bird near the place such as outdoor. Bird can from, so as to achieve and effective to drive the bird. Features -Color:Assorted Color -Material:Stainless steel, plastic -Size:25.00X10.00X2.80cm/9.82X3.93X1.10in - Good stainless steel, plastic material with stable performance and . - It is , effective, humane way solution and will not harm birds. - This bird spike also prevent and other from climbing on your fences. - The spike can be installed along any elevated areas such as roofs, chimneys, gazebos. - The bird spike works for many kinds of birds, large or small, such as pigeons, sparrows. Package list: 6 x Spikes 6