From the City of Warrenville event page:

Items accepted at this event include:

• Paper documents for shredding (free), up to three banker-sized cardboard boxes or paper grocery bags
• Small electronic items for recycling (free)
• Larger electronic items for recycling require a pre-paid voucher which may be purchased online only prior to event.  Payment at the event will not be accepted.

*A mask/face covering is required for those dropping off items, and will be worn by event volunteers.*

Drop-off instructions: The event will take place in the south paved parking lot of Bower Elementary School. Please remain in your vehicle for the event. Items should be placed in an easily accessible vehicle back passenger or trunk area, and be separated between electronics and paper documents. Do not place items to be recycled in containers that you would like returned. The items will be removed from your vehicle by volunteers and placed with the coordinating vendor. Smaller items and paper documents may be placed in paper shopping bags or cardboard banker boxes for easy removal. Vouchers purchased for larger electronics should be taped to the item.

Vendors for this event are: Docu-Shred and E-Waste Solutions. Questions regarding shredding documents or allowable electronics may be directed toward the respective vendor.

Find out what can be recycled here