That's umeboshi furikake :) I buy mine from Safeway locally, but it looks like it's on Amazon as well! https://www.amazon.com/MUSO-Organic-Sesame-Shake-UME/dp/B079LB9C59/ref=sxts_sxwds-bia-wc-rsf-lq2a1_0?cv_ct_cx=ume+furikake&dchild=1&keywords=ume+furikake&pd_rd_i=B079LB9C59&pd_rd_r=15485402-c6e1-4bbe-9d68-7c868f7c91e2&pd_rd_w=tBz35&pd_rd_wg=bTvlS&pf_rd_p=5a08de46-cc81-4b8f-b52d-be42c1429ca8&pf_rd_r=XQZ4SPTV74DVQT2MK99H&psc=1&qid=1620790766&sprefix=ume+fu&sr=1-1-58992a4d-ca33-47e1-bb07-1c05af86dd33