Hero Arts From The Vault Clear Stamp 4 inch X6 inch Travel - In celebration of Hero Arts 45th Anniversary, they are bringing back some favourites from the past. Check out all of the From the Vault collection today! Hero Arts Clear Design sets are premium-quality, USA-made photopolymer designed for true stamping impressions. Stamp set measures 4 x 6 inches. Approximate Measurements: Air Balloon 1.5 x 2.25 inches Map 2.25 x 1.25 inches