Official Licensed Metallic NASA Space Insignia Emblem Pin 2 Pack is perfect for anyone who loves or collects Nasa items. Made of High Quality Sturdy Metal. Measures 5/8 Diameter. Official Licensed NASA LOGO Pin. Sold in Pack of 2. Make sure item is sold and fulfilled by seller 'ARMYCREW', otherwise you will receive cheap knockoff. ARMYCREW is only authorized re-distributor of the listed licensed NASA Logo Pins.