polarized lens test card 1.colorful printing card 2.size can be adjusted 3.can be with sticker on the back

Polarized lens test card;polarized sunglasses display test card,polarized glasses test card sticker

1.colorful printing card2.size can be adjusted3.can be with sticker on the back

4.test whether the lens of sunglasses are polarized lens or not

5.OEM will be welcome

polarized lens test card