The zipper case is a perfect carry solution for various graphing calculators. It is strong, durable, and provides anti-shock protection. A convenient wrist strap allows for easy transportation. Compatible with models such as TI-83 Plus, TI-84 Plus, TI-84 Plus C Silver Edition, TI-84 Plus Color Edition, TI-89 Titanium, and HP50G graphing calculators. The hard case features a zippered mesh pocket on the lid, ideal for storing a charger or cable. The main compartment includes an elastic strap to secure and protect the calculator. The built-in mesh pocket holds accessories securely. The interior is soft-lined with a knit layer to protect cables and USB connectors. Includes a mechanical pencil, eraser, and ruler. Color: black. Material: durable material. Dimensions: 21.5 x 11.5 cm. Package includes: 1 x graphing calculator hard carrying case. Light and screen display differences may cause slight variations in color. Measurement error is +/- 1-3 cm.