The Bento Pack by Topeak is a 2-in-1 top tube bag and phone case. It has a transparent protective film that allows you to operate your phone while it's inside the bag. The bag also has a second compartment with dividers, making it easy to organize and store small items such as credit cards, loose change, keys, and personal belongings.Specifications:- Compartment: 2- Capacity: 0.85 L- Material: Nylon / TPU- Bag Attachment: Strap- Top Tube Diameter: Ø35-73 mm- Head Tube Diameter: Ø30-50 mm- Size: 20 x 8.5 x 9.5cm- Weight: 85gThis top tube bag is compatible with smartphones up to 16.5 x 7.8 x 0.9cm in size. It is made of durable nylon and TPU material. The bag attaches to your bike's top tube with a strap. Its size is 20 x 8.5 x 9.5cm and it weighs only 85g. Perfect for cyclists looking for a convenient and stylish way to carry their belongings during their rides.