Amazon.com : Rubber Band Depot 3-1/2 Inches Long x 1/16 Inch Wide, THIN Rubber Bands, All Purpose Rubber Bands, Rubber Band Measurements: Size #19 - 1/4 Pound Bag - Approximately 335 Rubber Bands : Office Products
Esselte Superior Rubber Bands Size No 34 - 2 x 500g Bags - 1kg Approx 1,200 Bulk | eBay