This kind of cover is composed of inner cover and outer cover. The materials of inner cover and outer cover can be made according to customer's requirements, usually polypropylene and ABS materials. As the name suggests, this kind of cover can not be opened easily by children, and it can only be opened by pressing and rotating with force, which is very safe. Whether it is matching essential oil bottle, Boston bottle or hemp bottle, we have related products, of course, we can also customize according to customer requirements. The daily output is about 35000. Generally, cartons are used for packaging and pallet transportation to reduce the collision during transportation.