I'm afraid I don't know much about them - they are hard to find information on! They are new, but they are resealable bags so there is no "sealed" aspect to them.
Brand New Sealed LEGO Brand Store 40305 - 2 Minifigures -Retired Set
LEGO Brand Store: Pick-a-Model: 3850033 Guardsman blister pack
LEGO 40574 LEGO Brand store - Brand New, Sealed, Retired
LEGO 40305 Iconic Microscale Lego Brand Store Building NEW Sealed
LEGO 40145 Brand Retail Store Exclusive Gift Promotion Retired
LEGO 6590580 Store Grand Opening & Leeds Tile Exclusive 2026 NEW & SEALED BOX
