The cigars came from the local convenience store, bought the box of Indonesian cigars from there. There are the top end cigars in the city at the cigar lounges and stores in Kuala Lumpur, Malaysia.
7-11 is at the mrt stations or nearby shopping complexes and HDB estates in Singapore. Lots of types of tobacco available from the local F1 shops or convenience shop 🏪.
7-11 shops sell all similar items, tobacco, bigger shops sell more items than the smaller shops, varieties of tobacco is available from all the 7-11 🏪 shops. Check with the counter and ask if they have or where else it's sold in 7-11 shops in Singapore.