14" W x 19-1/4" D x 3- 1/2" H, Weight Capacity: 300 lb, Added Height To Toilet: 3-1/2" Assists those with bending or sitting difficulties. The elevator fits under a regular home toilet seat. Fits most elongated toilets. Works in conjunction with existing toilet seat and lid for a non-prosthetic look. Assists those with bending or sitting difficulties. The elevator fits under a regular home toilet seat. Works in conjunction with existing toilet seat and lid for a non-prosthetic look. Fits most elongated toilets. Adds 3-1/2" to the height of the toilet seat with 300 lbs. weight capacity.