Durable wear resistant and strong enough. Large capacity, very useful and convenient to use. Unique adjustable shoulder strap design will give your shoulder comfortable touch. This backpack is good for outdoor and travel use. With strong high density foam to keep your quadcopter secure. Will not crush Yuneec Typhoon Q500 RC Quadcopter, protected your drone well. With side pockets for storing and holding mobile phones, cards or other RC accessories. And buy this Backpack Carrying Bag Case for Yuneec Typhoon Q500 RC Quadcopter For $64.99.