Erasable Blackboard and Whiteboard Color:Black Here are some of its

Here are some of its great features:

1 x Presta Valve to Schrader Valve Connector (random color)

- Fountain should be cleaned at least every 2 weeks

Working Temperature: 0-60℃

Erasable Blackboard and Whiteboard Color:Black Here are some of itsErasable Green Board Sticker can be directly posted on a flat wall, wood, glass, and other surfaces, instantly allowing you to have a beautiful blackboard immediately; it is the first choice in schools, homes, offices, restaurants, coffee shops, and the like. Blackboard film is waterproof, paste convenient, durable, and Ordinary chalk to write. Does not damage the wall; it can be removed without leaving traces; Can be used repeatedly, easy to clean,