Features: brand new and high quality Easy Maintenance: Detachable design, easy to disassemble and clean. No tools needed. for Ideal Breeder Tank: A must-have separating hatchery for pregnant betta or guppies, protecting new born fry from being eaten or attacked, improving the survival rate of newborn fish. Size: S is about 8x7x11 for cm/3.2x2.8x4.3 inches; L is about 3.9x2.8x5.1 inches. Creates a safe and secure breeding nursery for small fry while monitors your baby fish easily. Space-Saving: Fix tightly to the inside of the for tank with 2 suction cups. Floating design, double layers combination, saving space. Versatile Isolation Box: Unique transparent cover design, preventing fish jumping out of the box. Can be used as the spawning box for the viviparous fishes. Especially great for aggressive fish or injured fish. Package Includes: 1 Piece Fish Breeding for Tank with Suction Cups (S/L) Specifications: Material: Plastic Color: Transparent Size: L-Approx.10x7x13cm/3.94x2.76x5.12in S-Approx.8x7x11cm/3.15x2.76x4.33in Weight: S-Approx.180g L-Approx.120g note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!