The GEMM Disposable Tanks are designed with built-in mesh coils, eco-friendly PCTG material, easy top-filling sealed with a silicone plug, and 360° of e-liquid feeding. The coils adopt a new diamond mesh structure patented 90% tea fiber cotton and 10% organic cotton formula which will fresh your flavors! What's more, as a disposable sub-ohm tank, the GEMM provides massive puffs and can serve 30 to 40 tanks before the flavors get muted!