Squishmallows – Costco Sale! by Rhonda April 19, 2022 April 19, 2022 *UPDATE* 4/19/22. Adorable and super soft Squishmallows from Costco are a colorful and fun addition to a child’s stuffed animal collection. Select Costco stores have the larger 24″ Squishmallows and… 0 FacebookTwitterPinterestEmail