Materical Comfortable: Made from 90% nylon and 10% spandex, soft and breathable, providing you with the ultimate comfort.This material is stretchy and comfortable. suitable for both men and women. Soft, Breathable Comfort – Lightweight ingredient feels smooth and gentle on skin; It can be worn comfortably all day like regular underwear. Breathable Micro-Mesh Fabric – Micro-mesh fabric allows air to circulate freely; keeps you cool and comfortable on the love playing. The O ring (Inner diameter 4.5cm/1.77 inches) of the strap on harness has a bit of elasticity.with minimal flexibility, holding toys in a stable position, with very little movement or shifting. The fit is true to size, and they're suitable for men or women. Perfect gift for your lover, Valentine's Gift, Perfect gift for your lover, suitable for holiday, honeymoon, and special night, etc. Ideal for Beginners and Experts Alike: Whether you're a beginner exploring new experiences or an experienced user, our strap-on harness underwear caters to all skill levels.