Cocopeat disc is a 100% organic,bio, degradable,eco friendly and renewable resource.Coco peat disc is available in neem mix also, Specification: dia 8cm x 3 cm, 100grams weight, expansion volume (1 to 1.5 lits), Available sizes: dia 8cm x 1.5cm, 50grams weight, expansion volume (0.5 to 1 lits).