NJOY Reviews Read Customer Service Reviews of njoy.com 2 of 49 NJoy Loop Vaping SP4824 The NJOY Loop is an improved and modernized version of the classic e cigarette. It's a fully loaded kit designed for convenience and a cigarette like hit. The Loop kit comes Njoy Ace Prefilled Replacement Pod (Pack of 2) 1.9ML YOUFILLPODS Refillable Empty JUUL Pods, NO LEAKAGE GUARANTEED, 1mL Pod YOUFILL REFILLABLE PODS & DEVICES The Food and Drug Administration on Thursday ordered best selling vaping brand Juul to stop selling e cigarettes on the U.S. market.