PTFE Coated O-Rings - Encapsulated O-Rings | Rocket Seals, Inc.
5mm Rubber O-Rings (ID: 2mm) - choose color & quantity – Bead Me A Story
Amazon.com: 3 inch White Plastic Acrylic Rings 5/16 inch Thick 12 Pieces : Industrial & Scientific
Amazon.com: Plastic O Rings 8Pack 1-1/2" DIY Crochet Ring Circle Hook Craft Tool Accessory for Handbag Car Seat Manual Handbag Material Plastic Ring Hook Café Curtain Rings (1.5inch, White) : Home &
Straw Lid O-Ring- Two Pack – ThermoFlask
Specialty O-Rings & Seals - Precision Fluorocarbon Inc.