Backstreet Boys Millennium magnet with a blue and white theme. Backstreet Boys Acrylic Magnet/ Into the Millennium Las Vegas Residency 2025-2026. This was purchased on 12/28/25 at the BSB Pop Up at the Venetian. • OFFICIAL Backstreet Boys merchandise • From 2025 "Into the Millennium" Las Vegas Sphere residency • Acrylic block magnet with band photo & sphere in background • Text: Backstreet Boys // Into the Millennium • Approx. measurements: 2" x 3" x 1/8" thick