HIGH QUALITY ALUMINUM: Made of high quality aluminum, these plant labels are durable, writable on both sides and designed to last in any environment. WATERPROOF AND SUN RESISTANT: Aluminum labels are waterproof and UV resistant, your message is permanent and will remain legible when used in a general household environment. PERFECT SHAPE AND SIZE - 2.5cm x 8.2cm plant labels provide ample space to write on one side (front or back) with a ballpoint pen, pencil or other pointed object. DESIGN À Double Hole - the unique design Double holes distribute the load of the harness so no reinforcement is required and you can hang them on any wall. your plants with 16cm wire. Product Size: 82x25x0.5mm, Unit Weight: 2.5g