2021 version of the Costco-themed pajamas (Munki Munki Ladies' Costco 3-piece Pajama Set) are now on costco.com - $24.99 with shipping & handling : r/Costco
Costco-Themed Flannel Pajamas | Mental Floss
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32 Degrees Ladies' 3-piece Lounge Set | Costco
You can now buy Costco-themed pajamas and socks to show your love for the store
Disney Women's 2-Piece Short Pajamas Sets from $16.99 at Costco