Farmer Dave Pet Supply 300 Pear Ultra-Skinny Twig Chews for guinea pigs, chinchillas, bunnies, rabbits, and other small animals. Smaller diameter than our regular skinny twigs but more of them. Pear wood chews are widely recommended by veterinarians for healthy teeth. All natural and organically grown, with no dyes, pesticides, or artificial additives. Direct from our own farm for the highest quality. Each ultra-skinny twig is up to 1/8 inch diameter, hand cut to 5 inches long.