Senger large seal - GreyComing soon. The Senger Cuddly Large Seal is not only a soft and cuddly toy but it also doubles as a gentle heat bag for children. The Senger Large Seal has a removable pillow that's filled with certified spelt chaff which can be placed in the oven to heat or in the fridge to cool. Once it has reached the desired temperature, simply place back inside the zippered pouch. Also works well as a weighted blanket. Perfect for those cold nights in winter or