Features: Water resistant fabric,tpu-synthetic saddle bag high-density waterproof material and rubber water resistant zipper are impervious to rain, protect valuables from water, dirt and dust, and ensure safe drying of-items. the-surface can be easily cleaned by wiping with your-hands. Large capacity,bike saddle bag,can hold keys-gloves, mobile phone,bike tire repair tool kits,cycling accessories,etc. Easy to install, the product is easy to install, just stick two powerful hook-and-loop fasteners in the correct position under the seat, and then firmly fix an adjustable hook-and-loop fasteners to the-tube. the high-quality hook-and-loop fasteners is reinforced and not easy to tear. Night visibility,reflective strap around the seat bag to increase night visibility while night cycling. Wonderful gift,sweet warm gift for friend family or yourself. Specifications: Material:Tpu-Synthetic Package Includes: 1 Piece Bike Seat Bag note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.