Creative Multicolor Stackable Fish Tank Building Blocks Ecological Tank Fish Spider Ant Small Mini Reptile Pet Box Description: 100% brand new and high quality. High quality plastic material, non-toxic, hard and durable. Building block design, tanks can be stacked. Multiple color choices to find the style that suits you There is a hole on the side, so don't worry about the air not flowing. Can release water, sand, etc, and will not leak. No waste of space, mini size so it can be placed in the office, home, car, etc. Suitable for fish, spiders, ants, reptiles, small pets. Specifications: Material: Plastic Style: Block, Flexible Combination Size: 120*80*105mm Color: White, Black, Red, Transparent, Blue, Green, Pink, Light Blue, Yellow Location: Office, Home, Car, etc. Suitable: Small Pets such as Fish, Spiders, Ants, Reptiles, etc. Package Included: 1*Block Tank Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the product. Please leaving a message before you give the bad feedback, if the products have some problems. Please allow 1-3mm error due to manual measurement. Thanks for your understanding.