AMRON Backrest is available in 4 models. Appropriate model should be chosen according to the place of usage. “Executive” is suitable for executive seats & car seats, “S ‘n’ B” for sofa seat & bed, “Mini” for dining chair & garden chair, & “Regular” is suitable for general use. Model “Regular” is available in 4 sizes. The size of “Regular” model should be chosen according to the height of the user.
Thumb rule is : more the height, smaller the size.