Toilet paper (compressed roll)Vacuum-sealed or compressed. You will want this.
Menstrual suppliesNot optional, not improvisable, and never stocked in an emergency shelter in useful quantity.
Bar of soapOutlasts every gel and works in cold water.
Quick-dry towelPacks to the size of a fist. Staying dry is warmth.
Power bank, chargedCheck it twice a year. A flat power bank is luggage.
Emergency radio (hand crank and battery)Crank as well as battery. Sirens and broadcast radio are still how an alert reaches you when the network is down.
Walkie-talkies (pair)The phone network fails first and is the last thing restored. Short range radio needs no infrastructure at all.
Spare batteriesIn the sizes your torch, radio and hearing aids actually take.
Charging cables for every deviceOne cable per device, kept in the bag and never borrowed from it.
Pen and waterproof notebookAddresses, registration numbers, names of officials, times. You will not remember any of it.
Seasonal clothingAdjust for your climate. Extra socks are always worth the weight.
Glasses or contacts (spare)If you depend on corrective lenses, pack a backup pair.