Building block design with stacking cap design, mini lanyard, Grade A memory, 10 Year warranty on data retention, 1 year replacement warranty on faulty manufacture. There are 3 styles 1) all smooth on the back non stackable 2) 1 sprocket on 1 half on the back 3) 2 sprockets on each half of the back. The sprockets enable the flash drives to be stacked.
Black, Blue (PMS 072C), Green (PMS 368C), Orange (PMS 021), Red (PMS 185C), Yellow (PMS Yellow C), White