1High quality polyester yarn net material, safe and non-toxic. 2It can be used to cultivate insect, easy to use; designed with the zipper, you can release your butterfly. 3It is ventilated and can prevent the fruit fly coming in. 4Reusable and durable: it can be used repeatedly and durable for long time use. 5Designed with the top handle, it is portable and easy to carry. Features: High quality polyester yarn net material, safe and non-toxic. It can be used to cultivate insect, easy to use; designed with the zipper, you can release your butterfly. It is ventilated and can prevent the fruit fly coming in. Reusable and durable: it can be used repeatedly and durable for long time use. Designed with the top handle, it is portable and easy to carry. Specifications: Condition: 100% Brand New Material: Polyester yarn net Color: As picture Optional Size: S: Approx. 30*30*30cm / 11.8*11.8*11.8in L: Approx. 40*40*60cm / 15.7*15.7*23.6in Package List: 1* Breeding Cage Notes: 1. Please allow 0-2cm error due to the manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.