Frame: it weighs only 7.9 grams. The Grilamid TR90, the hypoallergenic plastic material in which the glasses are printed, grants great flexibility and strength.
Lenses: Available in 5 dioptric powers to correct the presbyopia ( +1.00, +1.50, +2.00, +2.50, +3.00)
Case: the hard case, made of polypropylene, is nondeformable and protects from scratches or bumps that inadvertently the glasses can undergoduring everyday use.