Home Slickdeals Squishmallows 20″ Hello Kitty $20.F/S from Costco. Slickdeals Squishmallows 20″ Hello Kitty $20.F/S from Costco. By ARCOM - 9 December 2022 38 0 SHARE Facebook Twitter Go to the deal page: Squishmallows 20″ Hello Kitty $20.F/S from Costco.