Product FAQs

FAQs regarding iroha zen(MATCHA・HANACHA・YUZUCHA)

  • What kind of product is the iroha zen?

    The iroha zen brings iroha’s unique Soft-Touch Silicone to everyone in a new refined, portable, battery-powered body.
    Rows of pleats adorn the outer silicone, with a long shape that’s easy to hold.
    With the iroha zen you can touch, twist and tease for a variety of sensations. It’s fully waterproof for both use in the bath and easy cleaning.

  • How are the iroha RIN and iroha zen different?

    The iroha RIN and iroha zen can both be enjoyed as battery-powered vibrating items, but the RIN offers a soft spherical tip that provides a brand new sensation for insertable pleasure.

  • Are there any functional differences between the colors?

    The colors are purely for aesthetic difference, so please choose the color you like the most!

  • How do I turn the product on?

    With the batteries inserted facing the correct way, push & hold button on base of product for 3 seconds to turn ON/OFF.

  • How many vibration modes does it have?

    The iroha zen has 4 vibration modes.
    After turning the item on by pressing and holding the button at the base of the product, press the button to cycle through vibration modes.

  • Do I need to buy batteries for the product?

    The iroha zen runs on 2 AAA batteries.
    ※ A pair of tester batteries is included, to check if product functions properly at purchase.
    ■ Running time: Approx. 4 Hours
    Ensure positive and negative ends of battery are faced correctly.
    * Look at + and – signs at entry to battery compartment.

  • Can I use the product in the bath?

    The product is fully waterproof up to 50cm (Approx. 20 inches).
    Please do not expose to strong water currents or depths over 50cm.
    ※ Use in water can expose your body to the water you are using it in. Please ensure that you are using the item in a hygienic environment.

  • Is it hygienic and safe to use?

    The product is made of body-safe silicone that is non-toxic to the human body.
    The product is fully washable and can be cleaned before and after use to keep it hygienically safe.

  • Can I wash it with soap?

    Please wash with cold or tepid water. If using soap, please use only a mild, neutral soap.
    ※ Do not clean with hot water. Do not place in hot or cold water for extended periods of time.
    ※ Do not clean with alcohol or highly acidic/alkaline cleaners. This may cause disfiguration of product.
    ※ Do not remove Battery Cap when washing.

  • Can I use the product with lubricants, lotions or oils?

    Use only water-based lubricants with this product.
    ※ Do not use with silicone-based lubricants, massage oils or other oils such as baby oils. This could lead to product damage, discoloration or deformation of product, and will void product warranty.
    Use of oil-based products with this item may cause malfunction, discoloration or deformation.

  • The Cap won't screw on properly. What can I do?

    Please align the two marks as shown below, and turn the Cap clockwise to lock it in place.

  • I just bought the product, but I think it might be broken.

    Please look over the Troubleshooting tips in the User Manual.
    If this does not resolve the issue, please contact us here.

  • Is there a Product Warranty?

    This product is covered by a 3 month Warranty from the date of purchase.
    Please contact us if you have any problems within the warranty period.

  • How should I dispose of this product?

    Please dispose of the item according to your local disposal laws and regulations.

  • I lost my User Manual.

    You can download all of our user manuals here:
    User Manuals Page

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