GT Power LP-GUARD Heavy-Duty LiPo Bag - GTP0089
 
Designed for charging and storing your LiPo packs, the fibreglass material can reduce the impact of a fire from your battery.

The bag includes strong velcro on the main opening and also on the inner flaps for extra security. 
Can fit 3 2s packs.
Measures in at 75mm x 70mm x 180mm