CAMP Crampon Bag
Here's what other sites are saying:
Camp USA Crampon Case SPECIFICATIONS of the Crampon Case by Camp USA Weight: 155 g / 5.47 oz
C.A.M.P Crampons Carrying Bags are constructed from durable nylon to prevent sharp points from sticking backpacks and to keep the slop contained during the descent.
Store your crampons in the CAMP Crampons Case. It's nice to not have to trudge your ice-feet all over creation, and when stowing gear you won't have to worry about ice drippage on your dry coat.