Do Not Block Mailbox Tow Away Zone Vinyl LABEL DECAL STICKER Flexible ultra-stick VINYL LABEL has permanent adhesive and peel-off backing High quality professional print in bold color on gloss vinyl. Easy to use - just peel and stick Resists UV, chemicals, abrasion and moisture. Use indoors or out Easy-to-remove backing and are UV, chemical, abrasion and moisture resistant Printed in USA and commonly used in industrial, commercial, public and private settings.