When you receive your roses, it will appear that you only have 12 rose stems in the bunch when looking from the top angle. However, below this layer is a second layer containing the remaining 13 roses. Carefully unwrap the protective cardboard and give your roses a clean cut (about 2.5 to 3 cm from the end at a 45-degree angle). Place them in a clean container (i.e., a 5 gallon bucket, or large container) with cool fresh water and remove any leaves which may come into contact with the water. Keep the roses at room temperature to hydrate for 10–18 hours before starting your arrangement. The next day, carefully remove the guard petals (outer brown petals which make contact with the elements) and any extra leaves and thorns, if you desire. With an average vase life of 8–10 days, be sure to recut and replace the water every 2 days to keep them looking their best.