CAN BE STORED WET AND WON'T ROT. THANK YOU FOR SHOPPING WITH US. WON'T MOLD OR MILDEW. PRE SHRUNK AND HEAT STABILIZED. double braid dock line 5/8 x 25ft gold white tracer nylon 40051 4 pac dockline. THESE LINES OFFER HIGHER WET STRENGTH AND BETTER ABRASION RESISTANCE THAN OTHER NYLONS.