Adjustable band; 7 colors and 4 sizes for selection

Flashing modes: long light. Flash. Slow flash (via switch control). Material: nylon Bright light can be seen from 200 meters away 360 degrees visible

Provide safety for your dog while out at night. Easy to put on and remove (on-off buckle) Easy to use: simply push the button makes the light ON/FLASH/OFF.

Specifications:
USB charger (comes with the power cord)

M:Width:0.98 inch,Adjustable Length:15.75-18.90 inch

L:Width:0.98 inch,Adjustable Length:17.72-20.47 inch

 XL:Width:0.98 inch,Adjustable Length:20.47-23.62 inch