XXR Brands Wand Essentials Charcoal Vibra Cup Head Stimulator Attachment. The Vibra Cup is bound to please your rod with its teasing inner texture. Add to this some powerful vibration and you are ready for one thrilling ride! The Vibra Cup is so stretchy that it fits most wand massagers. Simply attach this pleasure upgrade to your favorite wand massager and place it over the head of the penis. The vibrations from the wand will transfer to the attachment as you stroke back and forth. Durable and easy to use, this stroker attachment is a front runner for fully gratifying solo endeavors! Measurements: 3.25 inches in length, 1.25 inches in diameter at opening unstretched, cup measures 2.4 inches in diameter. Material Thermoplastic Elastomers TPE. Color Black. Note: fits most standard wand massagers, sold separately.