This Panty is designed to be invisible, seamless and Sexy T Back, which made by 15% Elastane + 85% polyamide (Frabic) and 100% cotton (Pure Crotch, moisture wicking wide).
Also, it is FRIVOLITY, BREATHABLE, ELASTIC, SOFT, purposed to give you the most Comfortable Experience! 
 
Second, it is free waistband, that is unbound and give you a Free feeling.
Third, it delicate in 3D-cutting and Skin-friendly, which are invisible and no show.