Thank you for inquiring with IndeMedical.com!
The Roho Mini Max is 1.25" thick and available in 3 sizes:
15 W x 15" D x 1.25 H
16 W x 16" D x 1.25 H
18 W x 16" D x 1.25 H
According to Roho, there is no weight limit, yet the cushion must be properly sized to the individual.
The Mini-Max is a great cushion for short term use and works well for bathing, in sports chairs, or for traveling.
You can order online 24/7 or give us a call at 480-704-3807.