I got the spark with the bag and it is very similar to any large video camera bag. I’d just double check the measurements but I think something similar to this would work.

CADeN Lightweight Vintage Waterproof Canvas DSLR SLR Shockproof Camera Shoulder Messenger Bag Compatible for Canon Sony Nikon https://www.amazon.com/dp/B06XFXDMCK/ref=cm_sw_r_cp_api_glc_fabc_yG35FbPFKDR58