Tube packs can be made to bolt on or strap directly to the top tube.
Exterior shell: X-Pac waterproof fabric
Internal liner: Waterproof nylon.
Includes:
• two inner pockets (will fit standard cell phone)
• inner key clip
• water resistant # 8 YKK aquaguard zipper with protective hood
• nylon thread and webbing
• gripper underside to prevent slipping
• multi position webbing on underside for custom strap placement
• padded side panels
• bolt on option includes internal plate, mounting pan head bolts, washers & removable internal pad to protect contents from bolt heads.
Velcro mount includes (1-1/2” & 1”) removable & adjustable straps with heavy stretch elastic to secure tightly in place. Straps can be easily cut to length once mounted to your bike.
Measurements:
see 4th photo for dimensions
Have a closer look at materials here.
NOTE: consider adding helicopter tape or similar under all mounting areas to protect paint.