Never forget again…
These stickers can be slapped on to helmets, cars, bottles, keep cups, skis, you name it. They're waterproof and UV resistant.
Size: 6cmx2cm
Switch to Send Mode - handlebar sticker
$6.50Price
Although these guys are waterproof and UV resistant, they do suffer when poked with a sharp object. Aim to stick it somewhere where it's not likely to rub with something sharp, like the end of a hiking pole.