What's in the box:

Andoer Camera Lens Cover Lens Cap Protector for GoPro Hero4 Session (Standard)

Features:
Design for GoPro Hero4 Session only.
Protect lens from dirts, scratches and debris.
Made of high quality ABS, lightweight and durable.
Black color, only weighs 3g.
It is no original accessory, but it works fine for GoPro Hero4 Session.

Specifications:
Brand: Andoer
Material: ABS plastic
Color: Black
Compatibility: For GoPro Hero4 session action camera
Item Weight: 3g / 0.11oz
Package Size: 6 * 4 * 1.3cm / 2.4 * 1.6 * 0.5in
Package Weight: 6g / 0.21oz

Package List:
1 * Camera Lens Cover for Hero4 Session

Note:
Action camera is not included.