Our Wanty's Aims as the following:
1.High quality while low price. 
2.Wanty is committed to 100% satisfaction of our customers.
3.We will offer the best solution for any issue of product you bought from Wanty.

Compatible with
Texas Instruments / TI, HP / Prime, Casio Such as: Texas Instruments TI-84, 83, 85, 89, 82, Plus / C Silver Edition Graphing Calculator. HP 50g Graphing Calculator - Casio PRIZM / fx-9750GII Graphing Calculator AND MUCH MORE.
External Dimension: 7.5" L x 3.5" W x 1" H

• Compatible with Texas Instruments TI-84, 83, 85, 89, 82, Plus/C Silver Edition Graphing Calculator and small accessories.
• Easy to open or close by Velcro, convenient to use.
• Made of neoprene shockproof and water resistance, one size fits most
• Slim and lightweight, easily slide into your briefcase, backpack, or other bag for convenient carry.
• Measurements and Sizes: External Dimension: 7.5" x 3.5" x 1"

Compatible with Texas Instruments TI-84, 83, 85, 89, 82, Plus/C Silver Edition Graphing Calculator and small accessories.Wanty Direct