YO853Y Material: glass fiber. Designed to repair or replace the canopy head cover for 450 Pro helicopters. Light weight and high quality. Suitable for all Align 450 Pro， KDS 450 Pro， CopterX 450 Pro helicopters. Offers your helicopter a new look. Easy to install. Package Details Weight: 33.17 g Size: 23*5*8 cm Package Includes 1 × Canopy Head Cover