GloFX Diffraction Glasses &ndash; Clear &ndash; Blue Mirror - 3D Prism Firework Grating GloFX Clear Diffraction Glasses Ultimate True-Flex PVC Frame Blue Mirror Diffraction Lenses- Dual Panel 3 Times the Diffraction of Competitors Limited Lifetime Warranty You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!