ABILITY ONE, 7 in, 7 in Lg, Rubber Band - 31UE85|7510-01-578-3516 - Grainger
Amazon.com : Alliance Rubber 08997 SuperSize Bands, Assorted Large Heavy Duty Latex Rubber Bands - 24 Count(Pack of 1), includes 8 bands of each size (12", 14", 17") in resealable bag :