THIS BOBBER IS ALMOST INDESTRUCTABLE, PRE-WEIGHTED FOR 30 TO 40 YARD CASTS, HEAVY DUTY SPRING LOADED J HOOK AT THE BOTTOM ALLOWS FOR USE AS A FIXED OR SLIP FLOAT, GLOWS IN THE DARK FOR ALL NIGHT FISHING, 1/PAK. WE HAVE STOOD ON THESE BOBBERS AND THEY DID NOT BREAK.