It's back! Costco has the We R Memory Keepers Washi Tape and Dispenser set again. I never found any in my store last year but I finally got a set from my store yesterday.
The set comes with a dispenser and 20 rolls of tape- 10 rolls of 10mm and 10 of 15mm. Each roll has 26 feet. The Costco item number is 705476 and it costs $19.99. If you didn't get a set last year, it may be worth checking your store again.
One more thing- I don't know if the designs on this year's set are the same as last year's because my store didn't stock it then. If you bought one last year, can you let me know if the tape is the same?