★Case unit is a great value!!! Changes from nylon bags to boxes for added convenience. The core has been reduced even if it gets buried. Weight: 100 per box: 2.9 lbs (1.4 kg); 1,000 pieces: 39.9 lbs (14.5 kg) (2,000 pieces per box x 2), Burning: Approx. 4 hours *Depending on the temperature, humidity, and ventilation. Made in China.