Edgware Key & Rotor Oil; Oil for keys of woodwind instruments and rotary valves of brass instruments; light, long-lasting oil; made from 100% natural ingredients and free of toxins, synthetic substances and petroleum; suitable for all woodwind instruments with keys (clarinet, flute, saxophone, oboe, bassoon, etc.) and rotary valves (French horns); bottle made of recyclable PET; compostable Nature-Flex bag made of cellulose; label made of 100% recycled material; all ingredients are 100% recyclable; Content: 30 ml