Description:
On Amazon for $33-34.  These are the “Arctic” Sneak-A-Peak—not to be confused with the Deluxe. The Deluxe is cheaper at $30 and does not have the attached inner blanket. BRAND NEW! 3 Available. 
Jolly Jumper Arctic Sneak-A-Peek keeps baby warm and cozy in winter, spring and fall. Padded, fleece lined, water repellent fabric with attached sewn-in blanket offers more warmth on those cold blustery days or fold the blanket to the bottom in better weather. Double zipper allows for even more temperature control and easy access to baby. Peak-a-boo flap folds down for nap time. Elasticized for easy on/off. Fits over the infant car seat like a shower cap. Machine washable.
Features & details
Water repellent, fleece lined cover keeps baby cozy and warm while in the infant car seat
Features and attached blanket to swaddle baby
Elasticized trim to quick and simple installation
Dual zippers allow easy access for baby to go in and out