Some objects meant to be disposed of after a single use:

toothpicks
facial tissues
toilet paper
tampons
sanitary napkins
bandages
surgical gloves
dental floss
coffee grounds
coffee filters
tea leaves
tea bags
cotton balls
cotton swabs
tongue depressors
hypodermic needles
scalpel blades
diapers
condoms
matches
straws
swizzle sticks
baby wipes
neck strips
nasal strips
dress shields