Salvimar Rubber bands are made from 100% Malaysian latex, enriched with an anti-aging additive to prolong their durability. Each package is guaranteed with a 15-meter continuous length rubber band. Production process involves: 1. Drawing: this technology guarantees homogeneity in diameter; 2. Processing through the Pre-Vulcanization tunnel; 3.First Quality Control; 4.First treatment with silicone component; 5.Vulcanization: slow drying in oven at constant temperature for 2/5 days; 6.Manual silicone treatment; 7.Final Quality Check. \nTo increase the efficiency of the product, it is recommended to protect the rubber band by treating it with liquid silicone, periodically. \n\nTECHNICAL DETAILS \n- Hand-Tied rubber bands \n- 100% Malaysian natural latex \n- Blend with added anti-aging additive \n- Silicone protective anti-UV treatment