1 piece is a set of 4 as pictured. Price Includes: 1 color, 1 location imprint on each piece, Setup for each piece as pictured. Please see item Building Block Stress Reliever Individual Piece for individual piece pricing. Complies with ASTM, CCPSA, CPSIA, Prop 65. 3.125" L x 1.5" W x 4.0" H. Price includes a 1 Colour Imprint. Imprint area is 2.5" W x 0.5" H on Side of 4 Blocks. Call for multi-colour or multi-location imprints or for rush delivery availability.