BP Intermediate : Onyx BlackReady to level up? The BP Intermediate is designed for those whove mastered the basics and want a little more stretch, a little more thrill, and a lot more satisfaction. With its sleek, tapered body and secure flared base, this plug makes exploring the next stage smooth, comfortable, and exciting. The velvety silicone feels luxurious against the skin, while the perfectly balanced size gives you that just right fullness. Whether worn for short sessions