Clean both the inside and outside with a solution of mild soap and warm water.
If the product has a faucet, be sure to rinse with hot soapy water and drain completely.
Use baking soda and water to remove tough stains.
Remove odors with a diluted solution of chlorine bleach and water. If odor persists, wipe interior with a cloth saturated with vanilla extract, then leave in cloth in cooler overnight.