Zipp Speed Box Toptube Frame Bags feature a water-resistant seam-sealed zippered pocket for easy access and padding between side panels to ensure the safety of small essentials. Note: These bags are small and may not fit some smartphones (double check the dimensions) Features: Small toptube mounted frame bag for small nutrition items, keys, or other essentials Water-resistant seam-sealed zippered pocket for easy access Solid molded EVA construction for gear protection Three-point adjustable hook and loop straps Reflective strips and logo Specifications: Pack Type: Top Tube Bag Pack Capacity: 0.3L (1.0), 0.36L (2.0), 0.5L (3.0) Mount: Hook & Loop Straps Waterproof: Water-Resistant Material: EVA Dimensions: 2.5 x 1.5 x 9 (1.0), 3 x 1.5 x 8" (2.0), 4 x 1.5 x 8.5" (3.0) Color: Black Weight: 65g (1.0), 70g (2.0), 85g (3.0)