Gearonic AV-5368BPUIB Transparent Luminous Glow in the Dark Hard PC+TPU Hybrid Back Case Cover for Galaxy S4 i9500 - Non-Retail Packaging - Black Slim, light weight, and perfect fit for Samsung Galaxy S4 i9500 Only. Bumper frame is made of a combination of high quality and durable TPU material with matte transparent hard PC material. Luminous back shell cover made of hard and smooth transparent matte hard PC material and uses rare earth luminescent materials for highest efficiency of light absorption and luminous effect. Case must be under sun light or strong light exposure for at least 10-15 minutes for Luminous effect. 1 piece Snap-On back case only, phone not included. Slim, light weight, and perfect fit for Samsung Galaxy S4 i9500 Only.^Bumper frame is made of a combination of high quality and durable TPU material with matte transparent hard PC material.^Luminous back shell cover made of hard and smooth transparent matte hard PC material and uses rare earth luminescent materials for highest efficiency of light absorption and luminous effect.^Case must be under sun light or strong light exposure for at least 10-15 minutes for Luminous effect.^1 piece snap-on back case only, phone not included.