Mark my words...

I find it hard to imagine a more perfect dildo. It's very filling, feels great to squeeze around, and I can change positions with it inside me.
Published:
Pros:
Silicone
Soft but firm
Flexible
Detail and design
Cons:
Lint magnet
Rating by reviewer:
4
extremely useful review

Use

Mark is best used vaginally. But it can also be used anally thanks to its flared base, which also makes it harness compatible and great for gender play. It can be used solo or with a partner.

Since it's flexible with a nice soft head, you can play a bit rougher with little fear of bruising you or your partner. And depending on how much of a warm up you need, if any, it doesn't take long to get things going.

It's also a good way, ladies, to work your Kegel muscles. Because not only do your muscles flex when you squeeze, but they have to then keep flexing to hold the squeeze because Mark wants to push back. But that's something better suited to when you have time alone at home. I don't suggest Mark for everyday 'out and about' Kegel exercises.

Packaging
  • Who / How / What
    [ ? ]
    Who might this product be best for? How is it best used? What are the best circumstances or situations for using this product?
    • Couples
    • Everyone
    • Solo
  • Where
    [ ? ]
    Where / what types of places can this product be used?
    • Anywhere
  • Features
    [ ? ]
    What kind of features does this product offer?
    • Travel friendly
  • Body / part areas
    [ ? ]
    What areas on the body can this product be used / what areas does it stimulate best?
    • Anal
    • Kegels

Material / Texture

Mark is 100% silicone. A 10 on the material safety scale, silicone is hypo-allergenic, latex free, non-porous, and phthalates free. It has no odor or flavor. It is waterproof, and can be soaked in a bowl of warm water to get it closer to body temperature before use. Or cold water if you like your toys chilly.

Since it is silicone, you want to use only water based lubes. But if you do want to try it with a silicone lube, make sure to do a patch test to see if there is any reaction or material breakdown between both silicone substances.

The O2 Mark is made from Tantus' dual density silicone. So it has a firm silicone core that is surrounded by a thinner and softer silicone layer, all for the purpose of feeling more like a real cock.

This makes Mark firm without being hard, and flexible without being floppy. If you hold Mark up horizontally by the base it barely droops, staying nice and 'erect'.

Flex
Squish

The top layer of silicone is plush and thickest at the head, making it extra squishy. While the silicone that makes up the head is shiny with some drag, the silicone of the shaft has a matte finish that feels velvety smooth with less drag. The shaft is also lightly textured with veining detail, but these don't create any distinguishable sensation inside the body. At least none that I noticed.
    • Flexible
    • No odor
    • Not porous at all

Design / Shape / Size

I measured Mark as being somewhere between 6 and 1/4 and 6 1/2 inches long, of which about 5 to 5 and 1/4 inches are insertable. Also I found him to be close to 1 and 1/2 inches in diameter. Mark is what I consider to be an average sized dildo.

Length
Base Width
Width

Though not the longest dildo I own, it is the thickest. It did take some getting used to, and at least four attempts before I was completely comfortable with it being inserted fully.

But when paired with lube, be it water based or your body's natural lube, the smooth shiny head pops inside relatively easy, and the minimal curve of the shaft helps with fit.

As I said before, the base makes it harness compatible, but the size of the base also makes for an excellent handle if you're playing solo or with a partner.

Mark's appearance is a bit more stylized in terms of detail compared to some other realistic dildos, but I prefer that.
    • Beginner
    • Partner play
    • Realistic

Performance

It's easy to get a rhythm going and much harder to stop.

This is definitely a good sized dildo for the average user. But I would even recommend this to beginners. Just make sure you have lube on hand, and that you're good and warmed up ahead of time. Be prepared to take your time and let your body adjust if it needs it. But once you are, you'll be pleased you decided to take the plunge with Mark. I certainly was.
    • Comfortable
    • Easy to use

Care and Maintenance

Before you use the O2 Mark, you'll want to rinse it off with water to get rid of any lint that might be on it. I swear, it collects lint even while it is inside of its packaging.

If you use lube, use water based. If you're uncertain, patch test.

When you are done with it, you can wash the O2 Mark with warm soapy water, boil it for 3 minutes, or even throw it into the top rack of your dishwasher.

Then store it in a cool dark place away from other silicone toys. You can store it in the plastic sleeve and case it came in, or in a plastic Ziploc. If you can, store it so it is standing upright.

Experience

Mark was another step up for me in terms of dildo girth, though shorter than my Casper. But because he is thicker, I feel fuller and don't mind that he's not very textured, as I initially preferred my dildos.

I think girth and texture in Mark's case would be too, too much.

And I love that I now have something that, after I'm done thrusting with it, I can squeeze and clench down on when my vibrator then brings me to orgasm.

My first Tantus O2 dildo has been a perfect fit and an overall success.
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This review was edited by
  • PassionCpl PassionCpl
  • Rank:
     
    5.9
  • Edited reviews: 115
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Comments
  • Virgingasms
    Virgingasms  
    Thanks! I'm dying to try an O2 dildo, I just can't decide which one!
  • ImaGodiva
    ImaGodiva  
    Excellent review. I appreciate the picture!
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