Bursa Spinosa - Mesh Bag

A prepackaged assortment of Bursa spinosa shells that are ideal for small to medium sized crabs. Each shell measures approximately 1-1/2" to 2" in overall length. Openings measure approximately 1/2" diameter, measured along the shortest diameter. 3 ounces (85 grams) per package. Actual number of shells per bag varies, but is typically 6 to 8 pieces.