Quality of these have been amazing, better than OE bags
FoodVacBags 2-pack 11X50 Rolls Vacuum Sealer Bags 4 mil Embossed Commercial Grade for Sous Vide and Foodsaver https://www.amazon.com/dp/B00CQ8IXIK/ref=cm_sw_r_cp_tai_mwfEybKY6TMXA
You can try one of the cheapo brands like FoodVacBags.