If you want to win a free bottle of Nikwax Tech Wash Travel Gel you have to answer a short quiz on their website. The questions are random, and you can check your answers immediately – and correct them, so it’s fairly easy to win the prize which is really nice and always comes in handy. Offer available in the US, Canada, UK, Germany, Switzerland, Austria, Denmark, Netherlands, Belgium and Luxembourg.

Free Nikwax TEch Wash Travel Gel