For the best effect please follow the instructions implicitly!1) Fetch glass2) Add wine to glass3) Print it4) Add suckers, mine came from ebay just search for "Suction Cup 40mm Round Button"5) Fix holder to tiles6) Refill glass with wine7) Fill Bath!8) Refill glass with wine9) Insert glass into holder10) Enter bath11) Refill glass as required12) Enjoy