Looks like FloorPops:
https://www.amazon.com/FloorPops-FP2480-Comet-Stick-Tiles/dp/B079DDZV15
https://www.menards.com/main/flooring-rugs/vinyl-flooring/vinyl-tile/floorpops-reg-cortina-12-x-12-self-adhesive-vinyl-tile/fp3458/p-1555309677481-c-6619.htm