SSND-RIPPLE 6-18 large black silicone urethral sound shown horizontally on a white background with 1"x1" blue grid squares from Screenshot 2026-07-02 154307.jpg, showcasing its three massive expanding wave ripples peaking at 18mm, 8-inch insertable length, and thick safety flared base.
SSND-RIPPLE model, 6-18mm (18-54Fr) diameter range, wavy ripple design, 8" insertable, three expanding sections, flexible, retention valley, safety flared base, silicone
SSND-RIPPLE model, 6-18mm (18-54Fr) diameter range, wavy ripple design, 8" insertable, three expanding sections, flexible, retention valley, safety flared base, silicone

SSND-RIPPLE 6-18

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Stretch smoothly with the SSND-RIPPLE 6-18, a larger, heavy-gauge evolution of our signature wave-contoured design. Specifically engineered for enthusiasts who favor a smooth, undulating sensation over aggressive nodes, this premium platinum-cured silicone sound utilizes a sequence of three broad, sweeping swells. This wavy profile creates a dynamic, shifting muscular stretch along the canal, providing immense structural presence and a satisfying, deep-capacity training routine.

Anatomical Sizing & Heavy-Gauge Wave Mechanics:

  • The Slim Guided Entry: Begins with a highly approachable, smooth 6mm diameter (18 French) tip that allows for a smooth, non-binding initial entry through the Meatus.

  • The First Wave Expansion: The tip gently and rapidly tapers up to a substantial 17.5mm (52.5 French) crest before dropping smoothly into the first accompanying valley of 13.25mm (40 French).

  • The Maximum Middle Swell: The second large ripple contour segment reaches a colossal 18mm (54 French) maximum diameter at its peak, providing an intense, rolling stretch before descending into an adjacent 12.75mm (38.3 French) structural valley.

  • The Final Taper & Retention Lock: The third and final ripple segment swells up to 17.75mm (53.3 French) to maintain deep tissue contact, stepping down into a final retaining valley of 13.75mm (41.3 French). This groove acts as a secure anchor seat just ahead of the 17.25mm (51.8 French) flared base, which is not intended for insertion but prevents migration.

Anatomical Depth Guide:

Boasting an 8.5-inch total length that yields approximately 8 inches (203mm) of insertable depth, this flexible sound provides excellent mid-tier canal reach. It easily moves through the anterior pendulous tract and settles comfortably into the bulbar curve, allowing the three massive expansions to engage different muscular depth zones smoothly.

Dimension & Sizing Profile

The precise structural breakdown of the RIPPLE 6-18 architecture is calibrated as follows:

Feature / Segment Millimeters (mm) French Sizing (Fr)
Smooth Entry Tip 6.0mm 18 Fr
1st Ripple Crest 17.5mm 52.5 Fr
1st Internal Valley 13.25mm 40.0 Fr
2nd Ripple Crest (Peak) 18.0mm 54.0 Fr
2nd Internal Valley 12.75mm 38.3 Fr
3rd Ripple Crest 17.75mm 53.3 Fr
Retention Lock Valley 13.75mm 41.3 Fr
Safety Flared Base 17.25mm (Non-Insertable) 51.8 Fr

👑 Bob's Choice Recommendations

  • Experience Level: Advanced. This custom sound is strictly recommended for users who have mastered large diameter play and can safely accommodate an 18mm (54 French) maximum peak.

  • The Prime Durometer Recommendation: To make these massive 17.5mm to 18mm wave crests significantly more compliant and approachable, Bob highly recommends ordering this piece in our plush #00-50 (soft) silicone. This highly giving material formulation allows the large swells to compress under internal muscle pressure, minimizing fatigue and facilitating a smooth, high-volume stretching routine.

Color Options: #18 and #30 are available in pure translucent. #00-20, #00-50, and #10 base colors are translucent white and can be mixed with any standard color.

Important Safety Disclaimer: Because individual anatomy varies, we cannot guarantee a full fit for all longer or larger diameter pieces. Please use all products with care. By purchasing, you accept full responsibility for safe use. If you experience discomfort, discontinue use immediately.

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