These Stock Shape magnets are Made in USA and 50% recycled. Effective Uses: High visibility at work or home. Product applications span countless markets. Easy to package and distribute or mail. Product Material is 20, 30 and 50-Mil Magnets with white print surface. 50% Recycled product maintains holding strength. Compliant with state and federal product safety regulations. 1.5" L x 4" W x 20mm Thick