Efficient in high winds and unstable conditions Light-weight and high-durability, 50pcs/lot so can with quality in Appropriate for kinds of arrows shaft or crossbow ; Perfect for , outdoor 3D hunting straight wing archer fletches, a best for Perfect for most kinds of arrows,such as wooden ,carbon ,fiberglass ,aluminum , crossbow and so on Size: 4 in length, 0.62 in height Color: Blue Material: TPU Wing: wing Notice: Strong recovery after the glue on the shaft, such as bending fold, just use hot water above 89 degrees, or water vapor, can be restored Package Contents: 50pcs * arrows vanes 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.