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Sex Toy Size Guide
How to Choose the Right Sized Dildo & More

Whether or not you choose a vibrating or non-vibrating dildo, choosing the right size for you and/or your lover will determine how pleasurable the experience will be. The guide below will provide you with some insights into making sure you get the right fit.

The right size dildo is a subjective choice for each person, therefore, finding the perfect dildo for you and/or your lover is going to be based on your personal preferences. In addition, having an idea of how you wish to use the dildo will help you better determine the sexual goals you wish to achieve.

Dildo Size Guide

Testing for Size Comfort

We suggest using a simple finger test before deciding on a width. Using your fingers, insert what is comfortable. Then measure the diameter and/or circumference to determine the comfort level of stretching. To measure the size of fingers you desire, place a tape measure around them to determine circumference or use a ruler to determine diameter. If you do not have a tape measure you can always do an Internet search for 'print out tape measure' and you can print one out on a piece of paper.

As for length, we will remind you that both the gspot in a woman and prostate in a man are located only 2.5 - 3 inches inside (may vary slightly in some people). Therefore, it should be noted that long dildos are not always what people desire. In fact, that is why shorter, curved dildos are so popular as they help to reach both the gspot and prostate more effectively and the curve stimulates with pleasurable pressure. That is not to say that some do not prefer longer dildos, just make sure you keep in mind what your sexual goals are when you select both the diameter and length.

Diameter Vs. Circumference

Remember the difference between circumference and diameter when assessing how large your sex toy is going to be. Often these two measurements are confused, so being clear as to how wide versus how far around a product is can make a huge difference.

Bigger is Not Always Better

One of the most common mistakes is assuming that bigger is always better. If the dildo is too long it can hit the cervix of your female lover and cause pain and if it is too wide it can cause uncomfortable vaginal or anal stretching. On the other hand if it is too small it can not be as satisfying or provide enough stimulation. That is why it is always a good idea to have a sense of what is comfortable for you and/or your lover rather than assuming that any size will be fine. If you are unsure, keep in mind that it is always possible to make a dildo feel bigger by adding a penis sleeve to it, however, a larger dildo cannot be made to feel smaller.

Flared Base & Testicles

If you desire a dildo that has testicles or a flared base, remember to notice what the insertable length of the dildo is rather than the overall length. To the right you will see examples of what this means as you can only insert part of the dildo rather than the entire length of it. We provide both the overall length and the insertable length for each dildo we sell to make it easy for consumers to know exactly what to expect.

Tantus Flurry O2 Dildo
Tantus T-Rex Silicone Dildo

Realistic Dildos

The term 'realistic' refers to the shape and design of the dildo. A realistic dildo looks similar to a real penis, however, it has nothing to do with size or color for that matter. Some people make the mistake of thinking that when a dildo is marketed as realistic that it is describing the size of an average man's penis. The reality is that typically the opposite is true as many realistic shaped dildos are quite large and are much larger than most men.

Make sure that you read and understand what the dimensions are when they are listed in the product description and how that translates into what you or your significant other desires.

Vac-u-lock White Dildo

How to Use a Larger Dildo

To use a larger dildo make sure to use a lot of lubricant, go slowly and to listen to what your body is telling you. If you begin to feel discomfort you should stop, reapply more lubricant and be more gentle. If it is still uncomfortable, you should try starting with a smaller dildo and work your way up to your desired goal size.

How to Change the Size & Functions of Your Dildo

  • If you have a dildo that it too small for you in width an easy way to make it wider is to add a penis sleeve to it.

  • If the length of a dildo is too long, you do not have to insert the dildo the entire length and can even use cockrings to shorten their insertable length.

  • If you have a dildo that you want to add a clitoral stimulator to you can add a vibrating cockring to it.

Flexibility Factor

How flexible and firm a dildo will also greatly impact the feel and performance of it. For example, some materials are extremely rigid and have little to no flexibility to them which often means that that are going to feel slightly bigger as there is no 'give' to them.

Determining Your Options

There are many sexual scenarios in which dildos are used such as: solo vs. with a partner, whether or not it is used with a harness, if the dildo is going to be used anally or vaginally by a man or a woman or both, etc. For example, a dildo that is petite with high vibration may be ideal for one person while a very large dildo with no vibration may be ideal for someone else. There are also many types of dildos with a large variety of features and we understand that choosing one can feel a bit overwhelming, especially if you are not knowledgeable about them. If you need help choosing a dildo, feel free to contact us as we are happy to help.


For more helpful information on choosing the right dildo for
you and/or your lover, see our How to Choose a Dildo article.


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