iGadgitz Xtra Large Black Water Resistant Bike Seat Saddle Storage Bag Pannier Holder Bicycle storage bag with Velcro strap to fasten to bicycle seat. Wedge style, suitable for most types of bicycle. Attaches and releases easily. Zipped storage compartment ideal for keeping your essential items such as wallets, keys, spare inner tubes safe when out on a ride. Plastic skeleton provides stability for the case to keep the contents safe. Dimensions: L14 x H7 x W7cm and weighs only 66g