1 piece of Black Silicone Keyboard Protector Skin Cover for Acer Aspire Ultrabook S3, S3-951-6646, S3-951-6464, S3-951-6432, S3-951-6828, S5, S5-391-9880, 756, 756-2420, 756-2623, 756-2617, 725, 725-0635, 725-0638, 725-0688, 725-0684, 725-0488, 725-0412, 725-C62kk, 725-0802 (if your "enter" key looks like "7", our skin can't fit)