Pack of 2 beware of the dog stickers. Dimensions: 148 x 105mm | 5.8 × 4.1 in "All symbols, where applicable, conform to BS EN ISO 7010 Safety Standards." Printed in high-quality using solvent-free inks on branded self-adhesive vinyl. "Easy to apply, just peel from backing paper and apply on a dry, clean surface." Easy to remove a few months or years later without leaving any nasty residue.