Materials: Nylon

Flashing mode (3 modes): rapidly blinking, slowly blinking, normally on

Packaging type: OPP

Battery: two batteries Button (CR2032) can be replaced

Siser:

S width 2.5 cm adjustable length 35 cm-43 cm

M width 2.5 cm adjustable length40 cm-48 cm

W width 2.5 cm adjustable length45 cm-52 cm

XL width 2.5 cm adjustable length52 cm-60 cm

For USA  ( 2 & 3 weeks )