Knee N' Back Pad for The Gardener Ideally sized for cushioned knee support at: 18" x 13.5" x 2" made in USA molded in soft closed cell foam for resistance to water, dirt, oil, paint and UV rays Anti-slip bottom is ribbed to provide stability while working Cleans easily with mild soap and water. Will not absorb water even if punctured. Use it in the garden, house or garage.