Partical charming 100Pcs Plant T Shaped Tag Marker Nursery Multicolor Garden 6 x10cm Plastic Label These plastic plant tags are waterproof and will not brittle and snap like most plastic tags. They will not rot as wooden tags do either. They dont rust like metal tags. And best of all they are short enough to fit in a mini green house or humidity dome. Durable, plastic plant labels or tags. Easily cleaned with household cleaner for reuse. All labels are UV resistant with a matte finish. "UV Resistant" makes the label last as long as possible. The "Matte Finish" makes the labels easy to write on with a permanent marker or a pencil on either side. Material: Plastic.