Product Description:1.Tourmate hard case is made of sturdy and durable EVA material, which is waterproof, scratch-resistant, and shock-proof. 2.The inner with super-soft material provides double protection against drops, scratches, bumps, splash, and dust, which can maximize and protect your CATIGA CS229 scientific calculator. 3. Our travel protective carrying storage case is a perfect fit for CATIGA CS229 scientific calculator. 4. Smooth and rigid 360-degree zipper is easy to open and close. Tourmate hard shell with a handle strap allows you to easily carry it. The built-in mesh pocket can hold all accessories. 5. External dimensions:8.3*4.3*1.6 inches. For sale is CASE ONLY! (CATIGA CS229 scientific calculator and other accessories are not included).