Pannier rack search

Anyone know where I can find a rack like this? I like how minimalistic it is. Thanks!

Image: https://cimg2.ibsrv.net/gimg/bikeforums.net-vbulletin/1295x960/fb_img_1551470122976_ff213d2e35272e2bb768af6f40f28b81d422a003.jpg