Let it be the last time you have an embarrassing moment due to broken tights and are forced to throw them in the bin. Made with miracle fibers and an ultra-durable design, ladders end here. Minvoir - unbreakable black tights from Minvoir: 30 dernier, 50 dernier and 80 dernier. No ladders: 100-year Guarantee or get your money back from Minvoir! Minvoir's tights are strong and ultra-soft. Size XS - XXL. Ordered today, delivered tomorrow! Minvoir has ladder-free tights made of durable material.