Versatile and durable, the ChainBoss shows why it stands out among other molded stanchions. Can be used either Indoor/Outdoor - with UV protection to prevent fading. Heavy duty 3" diameter post, 38" height - base can be user filled to approximately 15 LB with sand.. Unique Patent Pending twist top design for chain (not included) storage when not in use or when transporting. No tools assembly - snap together construction that is quick and easy. HDPE resin construction will provide years of use in the toughest environments.