Naturnest Sirius 1 clamshell annex Room

1 Naturnest clamshell annex Room provides you with an extension space on the ground to better protect your privacy.
2 It cannot be used if purchased separately. It needs to be used with Naturnest Sirius1 clamshell rooftop tent,not for Sirius 2 and Sirius 2 Plus XL, Sirius Aluminum