NO SMELL - Patented 100% Odor-free MAGIC system prevents odor from escaping.SAVE MONEY - No need to buy special refill cartridge. Use ANY bag you want. BONUS BAGS – Try our optional multi-layered MAGIC diaper bags (15 free bags included) EASY TO USE – One hand operation, super easy to use.CHILD SAFETY LOCK – Childproof lock system for extra safety.MULTI-FUNCTION – Converts to a trash can with the optional lid (sold separately)