The Node 2H (2 Holes) is housed on the top tube of your frame. It has two holes underneath and is mounted (screwed) only on frames with the two-bolt mounting holes on the top tube.
Node 2H is designed to contain the objects that we want to put in a place easily accessible, so you can recover them even while pedaling, such as energy bars, smartphones, power bank, camera, etc.. The Node 2H bag is made of Weather-resistant fabric but is not waterproof. It is recommended to use a watertight bag for items that should stay absolutely dry.