Secrid Aluminum Card Protector + Blue Moneyband with RFID Protection Dimensions: Moneyband 1 x 2.4" (unstretched), Card protector 2.5 x 4.0 x 0.3" Cardprotector + Moneyband combo Cardprotector has RFID protection and prevents 6 flat cards or 4 embossed cards from being scratched or bended Moneyband is for holding or tucking cards and cash around the Cardprotector Materials: solid aluminum, brushed steel, and rubber