Christmas Tree - Cookie cutters, made of biodegradable plastic. BioAd (TM) products will biodegrade naturally over a period of one to five years in a standard landfill environment. The products will last a lifetime under normal use. The biodegrading process will only begin when the products finally reach the landfill, activating the biodegradable properties. All Bio/Ad (TM) products are FDA approved and Proposition 65 compliant.