This bike hosting flight case is designed for keeping your riding bike safe in long journey transportation or long time conservation. It's made of hard r ed plywood and constructed with aluminum alloy. You can put in and take out your bike easy since it is joint by lockable compartments. There are four casters on the bottom for convence of moving. You won't get ride of it if you really own a riding bike of expensive. For more about our products, please land on our website or contact with us.