128GB SanDisk Ultra USB 3.1 Flash Drive (Black) $17, More

Best Buy: (Choose free in-store pickup to save on shipping.)
-- 128GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-128G-A46) $16.99
-- 32GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-032G-A46) $5.99

Amazon: (Shipping is free w/ Prime or orders $25+.)
-- 128GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-128G-G46) $16.99
Available to ship in 1-2 days.
-- 64GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-064G-G46) $8.99
In stock on October 8, 2019.

B&H Photo Video: (Shipping is free on $49.)
-- 128GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-128G-A46) $16.99
-- 64GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-064G-A46) $8.99
-- 32GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-032G-A46) $5.99

Newegg: (Shipping is free.)
-- 64GB SanDisk Ultra USB 3.1 Flash Drive (SDCZ430-064G-G46) $8.99.