Considering how much time we spend in the elements, accidents are almost inevitable. Some will require some patching up so we thought this new technology was an important and practical gift. Basically,
when to change a dressing since they show if the wound has become wet, which means quicker healing with less trips back to the doctor. The perimeter of the dressing turns blue when water has enters the bandage as does the middle so you know it’s time for a change. Developed and produced in the USA, this ingenious invention needs to be part of your outdoors first aid kit
https://fishwrapwriter.com/2021/11/27/2021-fish-wrap-holiday-gift-guide/