SET INCLUDES:Tantus’ Silicone O-Ring Harness Set is compatible with any harness that takes an O-Ring. Set includes six different sizes to accommodate your Tantus Toy of choice. SIZE MATTERS:Diameter smallest to largest: 1.2", 1.48", 1.74", 1.97", 2.22", 2.5" WARNING:Do not use O-Rings on penis,...