the wristband is made of silicone, it's harmless to human body, no allergic reaction. All of the photos are taken from the actual item and color is correct as described.
The band Size:Small(5.5"-6,7"),Large(6.7"-8.1").
Maybe they look a slightly different due to different light brightness or pixels of your computer screen.
Only the replacement band, no tracker device or other parts.
NOTE:ONLY for fitbit charge2 , Not for other models.
Silicone material well made, durable, soft and comfortable, fit Fitbit charge2
Watch buckle / Clasp will secure your fitbit charge2 from falling or loosing, save your equipment
Size can be flexibly adjusted, Small(5.5"-6,7"),Large(6.7"-8.1")
New colors for your choice, to replace diverse, so you have a good mood every day
Note: Fitbit charge2 tracker or other parts are not included in the product