Keep your ferret (or kitten!) entertained for hours with this camo themed krackle sack that also doubles as a bed. Ferrets love the crinkly sound and feel of this krackle sack, with a plush lining for extra softness and comfort. This krinkle sack fits one or more ferrets at a time, and can be used in or outside of your ferret’s cage. The opening has a circumference of 19″.