Shopping Cart & High Chair Cover.  Itzy Ritzy Sitzy Shopping Cart and High Chair Cover.  You will keep germs from shopping carts and high chairs away from your   infant or toddler when you’re away from home. This shopping cart and high chair cover can easily go from fitting a one- child cart to stretching to fit the larger “warehouse store” cart that is designed for 2 children. The cover is perfect as a shower gift.