(BM-BP1BKGY) WATERPROOF PANNIER BACKPACK – BLACK/GREY 

• Quick Release Attachment system

• Stowable Padded Shoulder Straps

• External Pocket With Waterproof Zipper

• Removable Padded Labtop Sleeve

• 25L Capacity

• Waterproof external pocket

• Taillight mount

• Whistle built into sternum strap buckle

• Removable single shoulder strap included

• Adapters included to fit 8mm-22mm rack rails

Dimensions- 19.5 x 13.25 x 6in (23.5in Tall Open)