Set of artificial pupation chambers and storage cases in various sizes. - Sizes: S, Special, M, Special M, ML, Large ML, Large, Large Dorcus Medium 1P, Large Dorcus Large 1P - Intended Use: Small species and females, large Dorcus beetles, Dorcus beetles after 75mm, Dorcus beetles around 80mm, Dorcus beetles after 85-90mm - Included: 12 storage cases, 5 Seria floral foam pieces, 135 air-by filters, 6 non-slip pads Please refrain from purchasing if you are sensitive to used items. For professional breeders with large-scale breeding operations. Set the floral foam, with the corners slightly trimmed, in the case. Then, add water and push it in. You will definitely get your money's worth as long as you have Seria floral foam. Thank you for viewing.