Features: No fading, no discoloration, water rinsing, easy to clean. High-quality silicone material, light weight, strong-toughness, durable, wear-resistant and scratch-resistant. Does not fade, does not change color, can be washed with water, easy to clean. The size fits, built according to the originalcode table, easy to take and install. Easy to install and remove, Simply slip the cover over your calculator for instantprotection, and remove it just as easily when you're ready to use your calculator again. Specifications: Material:Silicone Size:Approx.9.5x5.2x1.72cm/3.74x2.04x0.67inch Color:Wine Red/Gray/Blue/Black/Orange/White/Red/Green For BrytonRider 750 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Protective Cover