If you really want to print the labels yourself, with the information and photo, that waterproof 'paper' is for sale in 8 1/2 x 11" sheets.
www.waterproofpaper.com
They have a staggering variety of products. I thought of it, and decided to write out my own with the Garden Marker I got at Johnny's SS on pre-cut labels from the feed store.
But then, I only need about 300/year.
j