From the manufacturer

Seamless Thong

This minimal-show, seamless thong is perfect for underneath leotards and costumes

Featuring bonded waist and leg line seams, this thong will virtually disappear under dancewear, tights, and clothing for a smooth hold on the body and a seamless finish. Comfortable cotton gusset for breathability and hygiene.

• 94% Nylon, 6% Spandex
• Machine wash cold, delicate cycle, hang dry

Bonded waist

Leg line seams

Seamless smooth finish

Cotton gusset for breathability