Feature: 1. Tummy Control Design: Dual-layer fabric at the waist (outer layer of membrane fabric, inner layer of high-elastic mesh) to smooth and shape the tummy, offering comfortable shaping support.2. Membrane Fabric: Exceptionally soft, breathable, and lightweight with incredible stretch for maximum comfort.3. Traceless & Invisible: Mid-waist thong design, discreet under clothing, ensuring no visible panty lines.4. Anti-Slip Waistband: Silicone gel at the waistband to prevent slipping and keep the garment in place.5. Cotton Gusset: The crotch area is made of cotton-spandex blend for added comfort and to protect women's health.6. Outer Layer: Skin-friendly membrane fabric that feels like a second skin, with superior stretch; Inner Layer: High-elastic mesh for added comfort and breathability. Material: Outer layer: 76% nylon + 24% spandex Inner layer: 70% nylon + 30% spandex Use Scenarios: Multi-scenario wearing method: daily inner wear, home; Size Chart