The Pelican 1555 Padded Divider Set is a 21 piece set made to organize small and large items. The dividers are made from ballistic nylon and are padded and flexible. They have Touch Fastener on the edges that are used to attach the dividers to the tray or other dividers. This case is a replacement for the Pelican 1554 series cases and an accessory for the Pelican 1550 series cases.