Features: Fashion simple design,Anti fall and compression resistance, strong hardness. The hard box can be shockproof,waterproof,practical and strong. The hard zipper case has a zipper mesh pocket in the lid to hold the charging cable and adapter. The accessory kit can fit in the pocket as well. The compartment has an elastic strap to better secure the calculator. Convenient wrist strap for easy carrying, and the inner mesh pocket for and cable essential accessory kit includes mechanical pencils, erasers, graphing ruler can be placed. For all graphing calculators, including TI-83Plus, TI-84Plus, TI-8plus, Ti-84plus C silver edition, TI-84Plus ColorEdition, TI-89Titanium, HP50G Graphing calculators Specifications: Material:Nylon,EVA Size:Approx.250mm/9.84''x100mm/3.94''x50mm/1.97'' Package Includes: 1x Calculator Travel Case note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.