RCstyle 4730F Props Propellers For DJI Spark Drone Folding Blade (4 Pair-Blue) Compatible with DJI Spark Drone,Blue MATERIALS:High Grade hardened PC plastic propellers almost as strong as carbon fiber to ensure maximum maneuverability ADVANTAGE:Smoother,Responsive and Quieter Flight. FOLDABLE DESIGN:Quick Release and Folding ,Push-and-release mechanism for rapid attachment and detachment, secure and stable. CONVENIENCE:Light weight.Folding Design.Easy to install and remove,The ultimate in travel portable.