Yes, the Renaissance Stapleton will allow shipments to arrive up to 3 days before the event. Please see the PDF link below for more information from the hotel.

https://commsvnext.com/wp-content/uploads/2019/05/Renaissance-Shipping-guide.pdf

To pick up your items at the hotel, you will need to contact any Renaissance Stapleton staff and request to talk to Loss Prevention (LP/Security) and sign for your items. They will then deliver to wherever you like (room, Expo Hall, etc)