Okamoto Zero One is an ultra-thin condom that achieves a uniform 0.01 millimeter thickness from base to tip through Okamoto Corporation’s proprietary technology. It meets the 0.01 millimeter range at all three ISO measurement points: top, center, and bottom. Made from water-based polyurethane, it is safe for those with latex allergies. The high thermal conductivity of polyurethane delivers a "barely-there" sensation by transmitting body heat directly. It is completely odorless and offers a clean, fresh feel. The individual packaging is labeled "male side," making it easy to identify the correct side even in the dark. Manufactured at Okamoto’s Ibaraki factory, it is a high-quality condom made entirely in Japan.
- Be careful not to touch with nails, teeth, or sharp objects.
- Put it on after erection and always before sexual intercourse.
- Check the "male side" on the individual packaging before putting it on.
- Gently press the air pocket at the tip to remove air before putting it on.
- Do not flush after use; dispose of in the trash.
- Use only once per condom.
- Because its elasticity is less than latex, if the size does not fit, it may feel rough.
| Product name | Okamoto Condoms A (Zero One) |
|---|---|
| Material | Water-based polyurethane |
| Thickness | Thickness in the 0.01 millimeter range (actual measurement about 0.018mm), uniform from base to tip |
| Color | Clear (colorless and transparent) |
| Length | 175mm |
| Diameter | 33mm (Regular M size) |
| Lubricant | Extra lubricant |
| Shape | Straight |
| Content quantity | 3 pieces |
| Country of origin | Japan (manufactured at Ibaraki factory) |
| Medical device manufacturing and sales approval number | 22500BZX00538A01 |
| Manufacturer and distributor | Okamoto Corporation |
※ Condoms are effective for contraception and prevention of sexually transmitted infections but do not guarantee 100% protection. Always check the correct usage instructions.
- 1 Before opening, make sure the packaging is not damaged, and carefully open it by holding the edge of the package. Remove all cut edges after opening.
- 2 Check the "male side" label on the individual packaging. "Male side" = the side that touches the penis (inside surface).
- 3 Gently press the tip of the semen reservoir to remove air, then place it on the glans of the erect penis.
- 4 Roll down to the base with fingers on both hands. Make sure it is firmly worn to the base.
- 5 After use, slowly remove the condom while holding the base, tie it to prevent spillage, and dispose of it in the trash. Do not flush down the toilet.
| Item | Okamoto Zero One 3 pieces JAN: 4547691749192 |
Jex ZONE 6 pieces JAN: 4973210030715 |
Okamoto GROOVE 12 pieces JAN: 4547691806482 |
SKYN IR 10 pieces JAN: 4902510180073 |
|---|---|---|---|---|
| Content quantity | 3 pieces | 6 pieces | 12 pieces | 10 pieces |
| Material | Water-based polyurethane | Natural rubber latex | Natural rubber latex | Polyisoprene (IR) |
| Thickness | Approx. 0.018mm (Nominal 0.01mm range, uniform) |
Center: 0.034mm (Base 0.046 / Tip 0.058) |
Approx. 0.037mm | Approx. 0.059mm |
| Diameter | 33mm (M) | 33mm (M) | 33mm (M) | Approx. 34mm (estimated) * Calculated based on flat width 53mm |
| Lubricant features | More (standard) | Stealth Jelly (Double thickness, triple adhesion) |
Double Jelly (High lubrication + ultra adhesion) |
Standard lubricant |
| Rubber smell | None | Few | Few | None |
| Latex-free | ✅ | ❌ | ❌ | ✅ |
| Domestic / Imported | 🏷 Domestic | 🏷 Domestic | 🏷 Domestic | 🇹🇭 Made in Thailand |
| Features |
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- Use one condom per use only. Do not reuse.
- Always check the packaging condition and expiration date before use.
- Do not use if the packaging is damaged; use a new product.
- Be careful not to touch nails, teeth, or sharp objects when opening. Remove all torn edges after opening.
- Do not use with oil-based lubricants (baby Oil, Vaseline, etc.) as they may damage the condom.
- This product is latex-free, but if you are allergic to polyurethane, please refrain from use. Stop use immediately if abnormalities occur.
- Because it has less elasticity than latex condoms, improper fit may prevent correct wearing.
- Contraceptive and STI prevention effects are not 100%. Always follow the correct usage instructions.
- If abnormalities occur, consult a doctor or medical professional.
- Avoid storing in direct sunlight, high temperature and humidity, or places with volatile substances (such as insect repellents).
- Store in a cool, dark place while still in this packaging.
- Keep out of reach of children.
- Do not use products past their expiration date.
- Storing in wallets or pockets for long periods may degrade quality due to heat and friction.













































































