CROCHET COASTERS SET 4 pieces, Drink Coasters Yellow Pear, Handmade Coasters, Ready To Ship Cyprus Crochet Lyubava. $15.99, via Etsy.
Inspiration: Dachshund draft excluder. Concept could be easily re-appropriated for 'baby boundaries' and pillows - make covers and wider door snakes etc animal forms to keep babies from rolling off the bed! :D