Venus universal series v 44+ material latex free braided textile elastic,color yellow? unique adjustable beads gives snug fit yet relieves strap pressure stapled adjustable elastic ffp1 level protection elastic sewed outside filter area no leakage,no puncture on filter nose clip aluminium clip for snug fit textile elastic head bands with adjuster and an exhalation valve,contribute to the wearer comfort in tough working conditions. assure comfort and valve to the wearer.