PP Bottles 800cc 32+4 bottles (36 bottles) Made by Chikuma Kasei Japanese Giant Stag Beetle Larvae, Kinshi Bottles (Mycelial Bottles) All bottle caps are sponge filter type. Since they are not mixed with other caps, filter management will be easier later on. Also, to be ready for immediate use, the sponge filters are new or have been cleaned. Please replace them if you are concerned about dirt. These are used items. Some caps have markings from a marker. There are bite marks from larvae, showing signs of use. Photos of a sample bottle with noticeable bite marks are uploaded. They were used for raising stag beetles and rhinoceros beetles. They have been cleaned with tap water using a brush. Thank you for your consideration. ※ The green basket is not included. 　 They will be shipped in a hard paper bag.