The Danger Zone Case is a weapon case released in 2018 that holds 17 weapon skins, from Mil-Spec Grade to Covert, with knives as its rare special item. SkinsMonkey lists every Danger Zone Case skin with prices for each wear level.
The danger zone case was released as a part of the May 3, 2021 update. The danger zone case contains 17 skins designed by the CS2(CS:GO) community. When you open the container you also have a chance to open one of the special rare knife skins.
To get one of the skins released in this update, you will need to buy a danger zone case key. You can buy it on the Steam market or trade for it. When you open the container you can get one of these skins:
The 17 weapon skins from this container make up The Danger Zone Collection, the set that counts in trade-up contracts. The knives it drops as rare special items belong to no collection.