Features: Unique designing, specifically designing for AVATA 2 propellers. The top cover can hold screwdriver and screws. Effectively protect the propellers leaf from damage and prevent crushing. Prevent the propellers from shaking. Small portable, enjoy smooth and light outdoor flight. Two packaging option are available: 1pc propellers storage box or 1pc storage box with 2 pair propellers and 1pc screwdriver , as well as 12pcs screws. Specifications: Material: ABS Color Type: black storage box, storage box with black propellers, storage box with orange propellers, storage box with blue propellers, storage box with reddish propellers (optional) Box Size: about 7.9x7.1x4.7cm/3.1x2.7x1.8inch Applicable Model: for Avata 2 UAV Package Includes: 1pc Storage Bag or 1pc Storage Box with Propellers(optional) note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.