Specifications:
Thickness: 2.5 mm 
Length:33cm
Width:2.4 cm
Material: Advanced diving material
Color: black

Description:

Non-slip， comfortable and flexible.

Convenient  to use and carry.
Sports band for your glasses and sunglasses.

Secure your glasses and sunglasses comfortably during use
 

Package Included:

1 X Sunglasses strap