The “Mello” ottoman from Source Seating comes in two sizes and can be ordered with glides or casters. The bases have a “recessed” option for a floating look. The glides are available in felt or black plastic 2.25″ with a urethane bottom suitable for hard floors or carpet. Casters are 2″ dual wheel carpet casters. CAL 117 Standard, CAL 133 Optional. Lifetime Structural Warranty.