BTOB 4U Online Concert [INSIDE] official merchandise mask strap. A mask strap created as official concert merchandise that can be used to hang a mask around your neck or prevent it from being lost. A highly collectible official limited item for BTOB 4U fans. Contents: 1 Mask Strap Edition: BTOB 4U Online Concert [INSIDE] Official MD

Sourced straight from the official Korean shop. We purchase it on your behalf, receive it at our Seoul hub where we confirm it’s the right item and check the exterior for damage — sealed items stay sealed — then repack it safely for the trip overseas. You can follow every step in your order timeline.