Kindly note that this back cover is made of environmentally sustainable Liquid Silicone Material as per ROHS Standards with a very smooth finish supported by a PC Casing inside to make it a bit stiff 2. Sides and Bottom of Back cover will lack stiffness to accomodate flexibility for Buttons/design cutouts/speakers 3. The Case while retaining its smoothness has a very good grip and genuinely absorbs shocks protecting your hardware 4. All Liquid Silicone Cases support wireless charging 5. Liquid Silicone cases can be easily cleaned using soap water and do not lose colour over a period of time. 6. KloutCase does not use any recycled material/solid silicone/synthetic rubber in any of its products due to inherent Health hazards. 7. Microfibre cloth inside the back cover minimises the scratches at the back & sides of your phone