Dimensions: [3 layers 20 x 20 x 2.3] [3 layers 32 x 32 x 2.3] [5 layers 20 x 20 x 3.9] [7 layers 22 x 22 x 5.5] Choice of recommendations: based on a shooting distance of 18 meters, a 3-layer target can be selected below 30 pounds, a 5-layer target can be selected for 30-40 pounds, a 7-layer target is recommended for 40 pounds or more, or two 3-l..