Hanging tunnel produces 'Crinkle sounds' when your pet walks through it! Soft 'Immitation Faux fur' exterior. Makes a 'crinkle' sound when pet walks through. Clips to roof of cage with two straps and clips. Easy clean interior (wipes clean). Ridged rings on both ends keep ends open for easy entry. Size - 14 inches long x 5 inches wide. Assorted 'animal fur' patterns & Soilds.