It is a beautiful decoration for aquarium? and it's also an accessory tool for shrimp breeding. <br />Material: acrylic <br />Color: transparent <br />Each tube size: <br />Length: 8 cm <br />Outer diameter: 2 cm <br />Inner diameter: 1.5 cm <br />Wall thickness: 0.2 cm <br />6 x Shrimp Tube<br /><img src="//agdetail.image-gmkt.com/m430/952/337/842337952/img/agdetail.image-gmkt.com/952/337/842337952/img/img6.eachbuyer.com/x9/p100/bw037_1.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/952/337/842337952/img/agdetail.image-gmkt.com/952/337/842337952/img/img6.eachbuyer.com/x9/p100/bw037_2.jpg" />                                                        <img src="//agdetail.image-gmkt.com/m430/952/337/842337952/img/agdetail.image-gmkt.com/952/337/842337952/img/img6.eachbuyer.com/x9/p100/bw037_3.jpg" />