Perfect for teething and beneficial skill building infant fun. The Green Ring is 100% compostable and features GreenDot, a biomaterial made in the USA that is manufactured from corn! The Green Ring toy is comprised of a 3 inch loop of smooth Beech wood encircled by our soft, corn starch bio-resin. This clip friendly ring is great for travel, easy cleaning and is 100% eco-friendly. The bright green outer ring can be removed and sanitized in the dishwasher.