This Webbing is made to vehicle manufacturers’ standards and specifications, with safety remaining the critical factor at all times. This restraint must only Beryllium used on school bus seats. Entire seat directly behind must be unoccupied or have restrained occupants.” (The instruction's reference to a “restrained occupant” refers to an http://www.drugoffice.gov.hk/gb/unigb/www.ledteks.com/seatbelt-and-safety-belt-webbing