The eco-friendly kitty toys will entertain your cat and keep it busy for hours. The set includes two balls and two mice made from 100 percent natural wool felt. The mice are approx. 2.5" x 2" x 1" (63.5mm x 50.8mm x 25.4mm). Their tails are made of 8" (203.2mm) leather straps making it ideal to hold and use as a dangle toy for your feline friend. The balls are approx. 1.5" (38mm) diameter.