NISSAN 2013 Sentra - Owner's Manual - Manual (Page 105)

GROCERY HOOKS (if so equipped)
The grocery hooks are located in the trunk and
can be used to hang a standard size plastic
grocery bag.
CAUTION
Do not apply a total load of more than
20 lbs (9 kg) to a single grocery hook.
LIC0748
WIC0733
2-36 Instruments and controls