From Owlet, this travel case features: This carrying case makes it easier than ever to take your Owlet Sock on-the-go Store your Base Station and Sock Sensor in the protective foam mold, and tuck your cords and extra fabric socks in the convenient mesh storage pocket The rigid outer shell with zipper closure helps keep your Owlet Sock components safe from drops and accidents Use on the road or at home Not compatible with Smart Sock 1 or Smart Sock 2 Compatible with Dream Sock  Imported.