Indulge in the pleasure of nipples with these transparent nipple suckers! These suckers enhance sensitivity and size of the nipples so you can better appreciate your beautiful nipples. The simple design and quality materials provide a reliable experience. This great range of suckers is ideal for those with larger nipples, with opening diameters of 1.6 and 1.3 inches. The extremely strong suction creates a vacuum around the nipple, increasing sensitivity and size by boosting blood flow to the applied area. Perfect for stimulating your partner, it is most effective during foreplay, but can also be used during the main events of sexual activity. The wide opening ensures that nipples of all sizes fit, while the easy design allows for simple placement and removal. The quality silicone used in these suckers is phthalate-free for a safe experience. Compatible with water-based lubricants, but avoid using with silicone-based lubricants.