... • Material: Nylon webbing, PVC reflective • This reflective LED flashing safety armband use 2pcs CR2025 button cell, considerable life span, constanly ... power yourLEDs• This reflective LED flashing safety armband has three flashing mode, change as you like.• ... Color of the PVC reflective available: Red, Green, Blue, Orange, Yellow, Grey, Fluorescent yellow ect and other color can ...