This is a keyguard for the MoreKeyboard from morekeyboard.com. 

This item does not come with a keyboard. This is to order the keyguard only.

This keyguard is secured with provided Dual Lock fasteners.

The MoreKeyboard is an innovative large key and large-print computer keyboard. It is designed to benefit older persons, the physically and/or vision disabled, larger framed and athletic people, children and those whose work requires wearing gloves.

Material - The keys are just under 1/8" high, so if you pick an 1/8" material, the top of the keys will be just below the surface of the keyboard.  Most people prefer a material of 3/16" or greater, to give a little depth to the holes, requiring a more deliberate touch. 1/4" materials make for even deeper holes. A popular choice is polycarbonate, which has a lifetime guarantee against breakage and nice, bevelled edges which make the keyguard softer to the touch.