From the kitchen:

• Coffee grounds and filters
• Tea bags
• Used paper napkins
• Pizza boxes, ripped into smaller pieces
• Paper bags, either ripped or balled up
• The crumbs you sweep off of the counters and floors
• Plain cooked pasta
• Plain cooked rice
• Stale bread
• Paper towel rolls
• Stale saltine crackers
• Stale cereal
• Used paper plates (as long as they don't have a waxy coating)
• Cellophane bags (be sure it's really Cellophane and not just clear plastic—there's a difference.)
• Nut shells (except for walnut shells, which can be toxic to plants)
• Old herbs and spices
• Stale pretzels
• Pizza crusts
• Cereal boxes (tear them into smaller pieces first)
• Wine corks
• Moldy cheese
• Melted ice cream
• Old jelly, jam, or preserves
• Stale beer and wine
• Paper egg cartons
• Toothpicks
• Bamboo skewers
• Paper cupcake or muffin cups

From the bathroom:

• Used facial tissues
• Hair from your hairbrush
• Toilet paper rolls
• Old loofahs
• Nail clippings
• Urine
• 100% Cotton cotton balls
• Cotton swabs made from 100% cotton and cardboard (not plastic) sticks

Personal items:

• Cardboard tampon applicators
• Latex condoms

From the laundry room:

• Dryer lint
• Old/stained cotton clothing—rip or cut it into smaller pieces
• Old wool clothing—rip or cut it into smaller pieces

From the office:

• Bills and other documents you've shredded
• Envelopes (minus the plastic window)
• Pencil shavings
• Sticky notes
• Business cards (as long as they're not glossy)
• Receipts

Around the house:

• Contents of your vacuum cleaner bag or canister
• Newspapers (shredded or torn into smaller pieces)
• Subscription cards from magazines
• Leaves trimmed from houseplants
• Dead houseplants and their soil
• Flowers from floral arrangements
• Natural potpourri
• Used matches
• Ashes from the fireplace, barbecue grill, or outdoor fire pit

Party and holiday supplies:

• Wrapping paper rolls
• Paper table cloths
• Crepe paper streamers
• Latex balloons
• Raffia
• Excelsior
• Jack o' Lanterns
• Those hay bales you used as part of your outdoor fall decor
• Natural holiday wreaths
• Your Christmas tree. Chop it up with some pruners first (or use a wood chipper, if you have one...)
• Evergreen garlands

Pet-related:

• Fur from the dog or cat brush
• Droppings and bedding from your rabbit/gerbil/hamsters, etc.
• Newspaper/droppings from the bottom of the bird cage
• Feathers
• Alfalfa hay or pellets (usually fed to rabbits)
• Rawhide dog chews
• Fish food
• Dry dog or cat food