Product information:
Material: Silicone
Item No.: Two-color open-hole breathable strap + two-color silicone protective shell
Color:        1style:     White+pink,

 2style:   Black+red, 

3style:  Black+white,

 4style:  Black+purple, 

 5style:  Black+grey,  

6style:  Black+yellow,

7style:  Black+blue, 

8style:  Blue+black, 

 9style:  Silver+yellow,

10style:  All black

Dimensions: 38mm, 42mm, 40mm, 44mm

Packing list:
Watch strap x1