I can't tell from the original packaging. The cover is a thin rubber membrane stretched over the case to protect the watch and with 3 covers you can stretch and break.
πΆοΈ Flows: Polarized Bluetooth Audio Sunglasses with Open-Ear Speakers - High Sound Quality, Long Battery Life, UVA & UVB Protection - Bruno Style (Slate Gray)
4 Review
πΉοΈ HTC Vive Tracker 3 Pack (2018) for Virtual Reality Headset
3 Review
πΆοΈ Bose Frames Tempo - Polarized Sports Audio Sunglasses with Bluetooth Connectivity in Black
7 Review
π HTC Vive Tracker (3.0) Triple Pack
3 Review