Plant tags fit most plant pots and help you sort seedlings and classify plants for an organized garden.T-shaped design won't harm plant roots and colorful tags are clearly visible in dark soil to help you sort seedlings by sight. Made of non-toxic, waterproof plastic material, they are durable and uv resistant. These plastic plant tags are unbreakable, unbreakable and unbreakable. They will not rust like metal tags and will not rot like wooden tags. Easy to write on and stick in the soil. Easily cleaned with household cleaners and reusable. Great for marking what type of seed you planted or recording its growth