Invader Zim Faces White Seatbelt Belt - for your pants (Snap Like Seatbelt Buckle) Brand New Official Licensed Product This Fashion belt is not a seat belt! This belt is for your pants. Seatbelt belts are made with an authentic metal seat belt buckle and clamp like a seat belt buckle One Size fits most, adjust easity to fit size 24-42" waist. The Belt is 1.5" wide and fits most pants loops.