Why can't I book my Membership box in advance? GC Stylist August 10, 2022 08:50 Updated The Reserve feature currently available for members on Lite Plans through to Ultimate plans. Please contact our Customer Happiness team here if you want to know more. Related articles What if I don't use my GC Membership for a few months? What collections are included in the Lite, Premium or Ultimate Plan? Can I exchange an item in my GC Membership box? When can I build my new box? What is GC Membership?