# Cone Progressive Stretch Dildo Onyx 4-Inch Max

## What it is

The Cone Progressive Stretch Dildo Onyx 4-Inch Max is a Tantus wellness product. Positioned for for-him and for-her. Current price: $42.99 (retail value $47.99). In stock.

## Emma's take

Progressive cone shape that grows with your confidence.

I've been recommending this cone for years to anyone ready to explore bigger sensations gradually. The beauty is in the progressive stretch — you control exactly how much you take, building up slowly from the tapered tip to that impressive 4-inch maximum. The super soft silicone has just enough give to feel forgiving while maintaining the firmness you need for real stretch training. At over two pounds, it has serious presence that grounds you in the experience. This isn't a beginner toy despite what the marketing says — it's for confident users ready to level up their size play with a quality piece that'll last years.

## Specifications

- Max Diameter: 4 inches
- Length: 10.7 inches
- Weight: 2 pounds 5 ounces
- Material: 100% Ultra-Premium Super Soft silicone
- Harness Compatible: No
- Care: Hypoallergenic, boilable, bleachable, dishwasher safe

## What's in the box

- 1x Tantus Cone dildo in onyx
- 1x product information booklet

## Care instructions

- Wash with antibacterial soap before and after each use
- Boil for 3 minutes or run through dishwasher top rack for deep cleaning
- Use only water-based or silicone-hybrid lubricants
- Store in breathable pouch away from other silicone toys
- Avoid silicone-based lubes which may degrade the material over time

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Last updated: 2026-07-21
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## Frequently asked questions

## Is this actually beginner-friendly as described?

Despite the marketing, this is an advanced toy. The 4-inch maximum diameter and 2+ pound weight require experience with anal play and confidence with larger insertions. True beginners should start with something much smaller.

## How do I use the progressive cone shape effectively?

Start with plenty of warm-up and work slowly from the tapered tip. The cone lets you control depth and stretch gradually — listen to your body and don't rush to the full diameter. Take breaks and add more lube as needed.

## What's the best way to clean this heavy silicone toy?

Wash thoroughly with antibacterial soap after each use. For deep cleaning, boil for 3 minutes or place on the top rack of your dishwasher. The weight makes handling easier when it's dry.

## Why isn't this harness compatible?

The cone shape and lack of a flared base mean it won't secure properly in most harnesses. This toy is designed for handheld use and progressive training rather than strap-on play.

## Can I use silicone lube with this?

Stick to water-based or silicone-hybrid lubes only. Pure silicone lubricants can break down the toy's surface over time, even with premium silicone toys like this one.