Moisture & Dust Proof Compact & Portable Apply to 21700 batteriesSize: 84mm x 25.6mm x 25.6mm DURABLE AND SHOCK-PROOF Durable Snap FitThumb-push Opening Cushioned InsertShockproof with Soft Cotton PP MaterialEco-Friendly with Superior Waterproof Performance COMPACT & PORTABLE BAGGAGE-LIGHT TRAVEL SAFER & TIDIER One case solves short-circuit risksand clutter-free storage Expandable Modular Case Seamlessly expandableCustomize your storage space Moisture & Dust Proof Moisture & Dust Proof Apply to 21700 batteriesSize: 84mm x 25.6mm x 25.6mm DURABLE AND SHOCK-PROOF Durable Snap FitThumb-push Opening Cushioned InsertShockproof with Soft Cotton PP MaterialEco-Friendly with Superior Waterproof Performance COMPACT & PORTABLE BAGGAGE-LIGHT TRAVEL SAFER & TIDIER One case solves short-circuit risks and clutter-free storage COMPACT & PORTABLE Seamlessly expandableCustomize your storage space Moisture & Dust Proof Compact & Portable Apply to 21700 batteriesSize: 84mm x 25.6mm x 25.6mm DURABLE AND SHOCK-PROOF Durable Snap FitThumb-push Opening Cushioned InsertShockproof with Soft Cotton PP MaterialEco-Friendly with Superior Waterproof Performance COMPACT & PORTABLE BAGGAGE-LIGHT TRAVEL SAFER & TIDIER One case solves short-circuit risksand clutter-free storage Expandable Modular Case Seamlessly expandableCustomize your storage space Buying channel Be a Distributor