Features: Brand new and high quality Keep fish tanks clean: Food are all put into the tube and then on the bowl, which is convenient to clean fish tanks Material: Made of high-quality acrylic, safe for fish Easy to install: Clip design, suitable for fish tanks with wall thickness less than 1cm/0.39inch Know the intake of fish: Transparently tube, let you see how much food your fish eat Size: 6 size available Specifications: Material: Acrylic Color: As Pictures Show Size (Approx.): 15-Length 15cm/5.90in 20-Length 20cm/7.87in 25-Length 25cm/9.84in 30-Length 30cm/11.81in 35-Length 35cm/13.77in 40-Length 40cm/15.74in Weight: Approx. 300g Package Includes: 1 Piece Feeding Tube with Dish (15/20/25/30/35/40) 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. Thanks!