Voluspa's burning sticks are soaked for 48 hours and then carefully dried for up to 6 days. This unique process involves highly concentrated fragrance that when burned has increased staying power. The mingling of sweet smoke and delicious scents combine to create an evocative aroma and lasting impression for your home. Each set contains 25 sticks of fragrant heaven. The Red Amber Incense is a wonderful combination of red amber resin, rosewood, Himalayan cedar, buttery sandalwood, sweet smoke, and over 30 additional spiced woods and herbs.