Premium Plastic Alphabet Letter Stickers A to Z (5 of each letter) + 25 Blank. Ultra Durable Label Stock. Suitable For Outdoor Use. 100% Waterproof. High Performance Polyethylene Labels. Designed for demanding outdoor applications which require a high degree of durability. Very bendy and pliable. Great for uneven surfaces. If applied outdoors in harsh conditions, will last at least 5 to 7 years. Applied indoors, will last indefinitely. Letters A to Z (5 of each letter + 25 Blank Labels) over 5 pieces of easy-peel polycoated, single sided siliconized backing paper. Label Dimensions: 1.5inch by 0.8inch, rounded corners.