Silicone Dilator Size 5 vs. Size 7: Which One Should You Choose?
By Intimate Rose | Kegel Exercise System, Dilators & More | Published: 2026-09-04
Category: Comparisons
Compare silicone dilator size 5 and size 7 to find the right fit for your pelvic floor therapy. Learn key differences, tradeoffs, and selection guidance.
Quick Answer
Choose silicone dilator size 5 if you're progressing gradually from smaller sizes and need a moderate step up in width. Choose size 7 if you've already used size 5 comfortably and are ready for a larger diameter to continue your pelvic floor therapy. The right choice depends on your current comfort level and therapy goals.

When you're working with vaginal dilators, size matters—but not in the way you might think. The goal isn't to rush to the largest size; it's to progress at a pace that feels manageable for your body. Two sizes often come up in conversation: size 5 and size 7. Both are part of the Intimate Rose silicone dilator range, but they serve different stages of your dilation journey.
This comparison focuses on what you need to know about these two sizes, how they fit into a progressive therapy plan, and how to decide which one to use next. We'll stick to the facts about sizing and materials, and we'll be honest about the tradeoffs—because there's no single 'best' size for everyone.
Understanding Dilator Sizes: 5 vs 7
Intimate Rose silicone dilators are designed in progressive sizes, and each size increases in width and length to help you gradually stretch and desensitize the vaginal tissues. Size 5 is often considered a mid-range size, while size 7 is larger and typically used later in therapy. The exact dimensions for size 7 are not listed in the product information we have, but the progression from size 5 to 7 is designed to be a meaningful step up in size.
When you're comparing size 5 and size 7, the key difference is the width—not just the length. A larger width requires more tissue flexibility and comfort. If you're currently using a size 5 without discomfort, moving to a size 7 might be your next step. However, if you're still adjusting to size 5, it's better to stay with it for a while longer.
Why Material Matters: Silicone vs Plastic
Both size 5 and size 7 are available in Intimate Rose's medical-grade silicone, which is a key advantage over cheaper plastic dilators. Silicone is body-safe, BPA-free, and has a smooth, slightly flexible surface that many find more comfortable than rigid plastic. This is especially important when you're using a larger size, because a softer material can make the experience more tolerable.
If you're comparing a silicone size 5 to a plastic size 5, the silicone is generally the more comfortable choice. But when you're comparing silicone size 5 vs silicone size 7, the material is the same—so the decision comes down to size, not material.
How to Know When to Size Up
A common question is, 'How do I know when I'm ready for a larger dilator?' The general guideline is to use a size consistently with minimal discomfort for several sessions before moving up. If you experience significant pain or resistance with size 5, it's not time for size 7. Instead, continue practicing with size 5 and consider using a lubricant to ease insertion.
Some users find that they need to alternate between sizes during a single session—starting with a smaller size to warm up, then moving to a larger size. This is a valid approach, but it's important to listen to your body and not push through sharp pain. The goal of dilation therapy is gradual progress, not force.
Tradeoffs to Consider
- Size 5: Moderate Step, Easier Transition: Size 5 is a moderate size that's often easier to insert than a larger size. It's a good choice if you're still building comfort and confidence. The tradeoff is that it may not provide enough stretch if you're already ready for a larger diameter. If you're unsure, size 5 is a safer starting point for progress.
- Size 7: Larger Diameter, More Stretch: Size 7 offers a larger diameter, which can be beneficial for achieving greater tissue flexibility. The tradeoff is that it may be uncomfortable or even painful if you're not ready. Skipping sizes can lead to setbacks. Only move to size 7 when size 5 feels comfortable.
- Buying Individually vs Set: Buying a single size (like size 5) is cheaper upfront, but if you need to progress, you'll need to purchase additional sizes. A set like the Large Dilator Set Sizes 5 - 8 provides a range, but costs more initially. Consider your long-term therapy goals when deciding between a single size and a set.
Product Facts at a Glance
- Silicone Dilator Size 5 (GS): Our award winning dilators and sets are made from the highest quality materials and recommended by the experts. Features: Size 5, Medical-Grade Material, Includes Step by Step Instructions. Size 5 is a solid mid-range option for those who have already progressed past smaller sizes. The medical-grade silicone and included instructions support a safe, gradual approach.
- Large Dilator Set Sizes 5 - 8: Our Large Dilators are the #1 Most Trusted Brand on the market, are FDA-cleared and 100% BPA Free. YOUR PURCHASE INCLUDES: Dilators Size 5 - 8. MOST COMFORTABLE DILATORS ON EARTH: Each dilator is made from smooth, body-safe materials to ensure comfort and safety during use. MADE BY A PELVIC PHYSICAL THERAPIST: Designed in the USA by our Pelvic PT. If you're considering size 7, this set gives you sizes 5 through 8, so you can progress at your own pace without needing to buy each size individually. It's a practical option for long-term therapy.
How to Choose the Right Size
Best for
- Silicone dilator size 5: best for those who are progressing from smaller sizes and need a moderate step up without a large jump.
- Silicone dilator size 7: best for those who have comfortably used size 5 and are ready for a larger diameter to continue therapy.
Not for
- Size 7 is not for beginners or those who experience significant pain with smaller sizes. Start with a smaller size or a progressive set.
Choosing between silicone dilator size 5 and size 7 comes down to your current comfort and therapy progress. Size 5 is a safe mid-point, while size 7 is a larger step that should only be attempted once you're ready. Always prioritize comfort and gradual progress over speed. If you're unsure, consider a set that includes multiple sizes so you can advance at your own pace.



