XL Cork tube (cork tree trunk cave) made of natural cork bark from the cork oak grown in Portugal. Disinfected with a non-hazardous heat treatment at 65 C – without chemicals. We guarantee that it is pest-free! Ideal for terraristics, terrariums, aquariums or for decorating and crafting as decorative cork, approx. 30 cm long, (inner) diameter approx. 11-14 cm (narrow). 1st choice, cylindrical cork tube, without knotholes or bends, rare size, for extra large terrariums. Cork bark as a natural and renewable raw material, untreated and harmless for all animals. Cork tubes are suitable as rodent house, ideal for climbing (uneven, gnarled surface), hiding (optimal retreat), playing and as shelter for sleeping. Ideally suited for reptiles, rodents and birds as well as for aquariums. All cork tubes are heat treated at 65 C and are pest-free – without the use of any chemicals or hazardous substances. Our cork products are absolutely harmless and you can give your pet a treat without worrying about pests or chemicals.natural product, every cork bark tube will be different (photos show examples). The cork tube has been heat treated at 65 C, we guarantee that it does not contain any pests – and this without using any chemicals or hazardous substances. Lenght: 30 cm, inner diameter: 11-14 cm. natural cork from cork oak.