Clearly inspired by the Memphis Group in Italy, Paul Rowan designed these rubber coasters and found a shoe sole manufacturer to produce them. Seven coasters with black background and white zig zags (3) or white background and black zig zags (4). One trivet with with black background and white zig zags.
Each coaster is signed “1986 Umbra Made in Canada” and measures 3.25” x 3.25”. Trivet is 6.5" x 6.5"