Springtails (Collembola) live culture is supplied in a special ventilated tub measured 10 x 11 x 6 cm. They are a perfect food for the top dwelling fish like Aphanius, Aplocheilus, Epiplatys, Oryzias, Livebearers, Tetras, Barbs, etc. It may take up to 10 working days (except holidays and weekends) before this order is shipped. If there are any questions you have then please get in touch before you place an order.