TEAM BTS T-Shirts HOUSE OF BTS Pop-up Store Edition K-Pop Official Authentic Size Small. Pre loved. Get your hands on this must-have BTS Memorabilia! The official team BTS T-Shirt from the BTS POP-UP: House of BTS is up for grabs in size small and in pre-loved condition. Show your love for the K-Pop sensation with this original piece from Korea. The item is perfect for any kpop BTS collector. Don't miss out on the chance to add this BTS Memorabilia to your collection. #bts #btmwrch #rm #btsrm