Build & Quality

The Master Series Pyramids Nipple Bulbs O Ring from XR Brands is crafted with a combination of durable glass and flexible rubber, ensuring a reliable and comfortable experience. The glass pump chambers are smooth and sturdy, providing consistent suction without any risk of cracking or breaking during use. The rubber components are stretchy yet resilient, allowing for repeated application without losing elasticity or shape. Designed with precision and attention to detail, this set offers a high-quality, sensual experience with reliable performance.

Hardware & Fasteners

This kit includes two graduated pumps—each measuring 2.63 inches in length—allowing for customizable fit and pressure. The Large Pump features an inner diameter of 0.53 inches, while the Small Pump has an opening of 0.35 inches. The set also includes eight O rings, ranging from 0.33 to 0.54 inches in inner diameter, providing versatile sizing options for different nipple sizes and sensitivities. The O rings are made from stretchy rubber that securely holds the nipples at attention, preventing slippage during use. Simply slip the desired size ring over the open end of the pump before applying to the nipple, then squeeze the pump until the desired size and firmness are achieved. The stretchy rubber rings slide comfortably down over engorged nipples to the base, ensuring a snug, secure fit.

Measurements & Materials

Comfort & Fit

The inclusion of two different-sized pumps ensures a tailored experience, accommodating a variety of nipple sizes and sensitivities. The glass pump chambers provide a firm, yet smooth surface for effective suction, while the rubber O rings offer a comfortable, secure grip without pinching or discomfort. The stretchy rubber rings are easy to slide down over the nipples and stay in place during use, maintaining an engaging and pleasurable sensation. Ideal for those exploring nipple enlargement or enhancement, this set delivers precise control over pressure and size, making it a versatile addition to any bondage or kink collection.