Mammoth Ring or Red Tiger. The store lists both as silicone. Red Tiger is three rings with no published inner diameters. Mammoth lists 1.5 in oval inner size and girth 4.5 to 7.75 in.
The problem this search actually is
You want silicone, not an unnamed marketplace pack.
What to buy
Mammoth Ring ($39.99). A stretch silicone ring. Store lists 1.5 in oval inner size, 2.5x stretch, erect girth 4.5 to 7.75 in.
Red Tiger ($24.99). Three silicone rings. The store does not publish inner diameters.

Mammoth Force
Mammoth Ring
Stretch silicone ring. Store lists oval inner size 1.5 in and a 2.5x stretch.
4.6 from 15,000+ reviews
Free shipping over $50 • Discreet packaging • Ships from Huntington Beach, CA

Mammoth Force
Red Tiger
Three silicone rings. The store does not publish inner diameters.
4.6 from 15,000+ reviews
Free shipping over $50 • Discreet packaging • Ships from Huntington Beach, CA
What not to buy
A listing that says medical grade with no maker name.
If you are still comparing brands
The head-to-head pages live under vs . Alternatives to a named device live under alternatives . Measure before you order a ring: sizing guide .
Safety
The Mammoth, Dragon and Red Tiger product pages say thirty minutes maximum and never while sleeping. Remove at once on numbness, pain, coldness or a dark colour change.
