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.

Please note: Tantus O-Rings are not designed to be used as cock rings. Do not use O-Rings on penis, this is for toy/harness use only.

Diameter smallest to largest: 1.2", 1.48", 1.74", 1.97", 2.22", 2.5"