This is the latest development in growing chambers and offers ssignificant benefits over earlier models. 1) It is Light Proofing: Light proofing is absolute. 2) It is Portable: An Excellent carry bag supplied with every kit. 3)Hygiene: 100% washable, no odour. 4)Strong: Up to 30kg on top bars for support of heavy lighting and equipment. 5) Quality/Finish