
FUN FACTORY IKU Flex Modular Masturbator
€18.99

FUN FACTORY IKU Flex Modular Masturbator
- For penises
- Waterproof
- Silicone
Modular masturbator from Fun Factory with a textured interior. It combines with other IKU models using the Magnetic-Click system, measures 7.4 × 7.4 × 3.1 cm and weighs 86 g. It is fully waterproof (submersible) and works with water-based lubricant.
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Compatible lubricant: water-based. Silicone-based lubricants can damage the silicone of this product.
Your parcel arrives in a plain box and the sender does not mention Loviux
Fun Factory IKU FLEXModular masturbator with Magnetic-Click.
The IKU FLEX is one of the three variants in Fun Factory's IKU range, the one with the textured interior. You can combine it with the others however you like using the Magnetic-Click system. It is small, at 7.4 cm on each side and 3.1 cm high, and you can use it wet.
- Modular
- Magnetic-Click
- Fully waterproof
- 86 g

The essentials
Fun Factory IKU FLEX: what you need to know before you buy
Is it for you?
Who the Fun Factory IKU FLEX is for, and who it isn't for
It suits you if…
- You want a modular masturbator you can combine with other IKU models.
- You are after the textured-interior variant of the range.
- You want to use it in the shower or the bath. It is fully waterproof (submersible).
- You prefer something small and light, at 7.4 cm on each side and 86 g.
Better look elsewhere if…
- You prefer a tighter fit. In the same range, Fun Factory describes the IKU TIGHT as a tight fit and the IKU TIGHTER as especially compact.
- You are looking for a large masturbator. This one measures 7.4 cm on each side and 3.1 cm high.
- You only use silicone-based lubricant. With this material, a water-based one is the better choice.
Size and measurements
Fun Factory IKU FLEX dimensions
It is 7.4 cm (2.9 in) long, a little less than the long side of a bank card, and 7.4 cm (2.9 in) wide, a bit more than a tennis ball. It is 3.1 cm (1.2 in) high, slightly more than the diameter of a two-euro coin. The manufacturer does not publish the diameter or the length of the channel.
Measurements from the manufacturer's website.
Length, to scale
AA battery 5 cm (2 in)
This product 7.4 cm (2.9 in)
Bank card 8.6 cm (3.4 in)
Width, to scale
Tennis ball6.7 cm (2.6 in)
This product7.4 cm (2.9 in)
CD12 cm (4.7 in)
Step by step
How to use the Fun Factory IKU FLEX
- Wash it before first use, with warm water and mild soap.
- Apply water-based lubricant inside it and on your penis.
- Use it on its own or combined with other IKU models using the Magnetic-Click system.
- Wash it after use and let it dry completely before storing it.
Cleaning
Before and after every use, with warm water and mild soap or a toy cleaner. According to the product information, the silicone sleeve can be removed for cleaning. Let everything dry completely before storing it.
Our tips
- Use water-based lubricant. Silicone-based ones can damage the surface of silicone.
- Stop if you feel pain or discomfort.
- Store it clean and dry.
Specifications
Fun Factory IKU FLEX technical specifications
- Type
- Modular masturbator
- Length
- 7.4 cm (2.9 in)
- Width
- 7.4 cm (2.9 in)
- Height
- 3.1 cm (1.2 in)
- Weight
- 86 g
- Material
- Silicone and TPE, according to the product information
- Waterproofing
- Fully waterproof (submersible). IPX7 according to the product information
- System
- Modular, with Magnetic-Click
- Interior
- Textured
- Colour
- Black
- Brand
- Fun Factory
- Model
- IKU FLEX
- IKU range variants
- FLEX, TIGHT and TIGHTER
Questions
Fun Factory IKU FLEX: frequently asked questions
Can you combine the Fun Factory IKU FLEX with other IKU models?
Yes. It is a modular system with Magnetic-Click, and the manufacturer states that its three variants (FLEX, TIGHT and TIGHTER) can be freely combined and expanded.
Is the Fun Factory IKU FLEX fully waterproof (submersible)?
Yes. The manufacturer describes it as watertight, so you can use it in the shower or the bath.
How big is the Fun Factory IKU FLEX and how much does it weigh?
It is 7.4 cm (2.9 in) long, 7.4 cm (2.9 in) wide and 3.1 cm (1.2 in) high, and weighs 86 g. These are the measurements given by the manufacturer.
Which lubricant works with the Fun Factory IKU FLEX?
A water-based one. It is the safer choice for its material: as a general rule, silicone-based lubricants can damage the surface of silicone toys.
How do you clean the Fun Factory IKU FLEX?
With warm water and mild soap or a toy cleaner, before and after every use. Let it dry completely before storing it.
How does the Fun Factory IKU FLEX differ from the IKU TIGHTER?
In the interior and in the weight. The IKU FLEX has a textured interior and weighs 86 g, while the IKU TIGHTER is the especially compact variant and weighs 100 g. Both measure 7.4 × 7.4 × 3.1 cm (2.9 × 2.9 × 1.2 in) and the manufacturer describes both as watertight.
Includes technical data checked with the manufacturer
Before publishing this product sheet we check that every figure is in its sources and that what it says holds up. Product sheets that do not pass this check are not published. How we verify information ›
Product sheet updated on 11 October 2026
Questions & Answers
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Reviews
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