They are two parts with hexagonal base and lid top, the edges are circular, available in 3 sizes:
Large 3.5"D x 3.25"H (approximate)
Medium 3"D x 3"H (approximate)
Small 2.5"D x 3"H (approximate)
Each basket is slightly different as they are woven by hand and the materials are from the natural world.
Images courtesy of Eesome Co