The OXBAR RRD 4500 puffs disposable by Oxva is a remarkable refillable and rechargeable disposable device that boasts a slim design, measuring only 13.5mm in thickness. Additionally, the RRD features a transparent tank, allowing for easy monitoring of the juice level and preventing dry hits. This tiny device can last for more than 4500 puffs with its mesh coil lasting up to 15ml, equivalent to seven fills of 2ml. Moreover, the e-liquid is stored in a separate independent container, ensuring no leaks during transport or storage.