Saw OP selling - about SGD 180 if my old brain doesnt fail me. Can keep 2-5 comfortably.
I used my GF's yoga bag, its free. I can keep 3 tripod and 1 lightstand.
If i have to buy, i will go to Carrefour/ Watson to buy their Yoga bag and throw away the content.
Cost = less than SGD 10.00 per bag.