Approximately 3.125" tall x 2" wide x 2.25" long, foam. WARNING: Choking Hazard - Small parts. Not for children under 3 years.Invoke the soothing serenity of a river rock with this realistic looking foam stress toy. Keep a River Rock Stress Toy nearby to hold and squeeze on those days when you're not feeling so smooth yourself. Stress can wreck a perfectly fine day--try to let it glide over you like water over rocks in a river.See all Foam Stress Toys here!