Waterproof dry bag Fidlock HERMETIC mega TTB – lightweight roll-top waterproof carry bag

Fidlock HERMETIC mega TTB is a lightweight roll-top waterproof carry bag designed to protect gear from water, dust and sand. Its sealed construction and durable materials provide reliable protection for clothing, electronics and documents during outdoor activities, boating, cycling or travel. The roll-top closure creates a tight seal to keep contents dry while remaining compact and easy to pack.

Advantages

The Fidlock HERMETIC mega TTB combines a low-weight design with waterproof performance and a simple roll-top closure. Constructed from waterproof fabric with sealed seams, the bag resists water ingress and prevents dust and sand from reaching stored items. Its flexible shape allows efficient packing and the lightweight construction minimises carry weight. The closure is easy to operate and secures the opening for dependable protection.

Suitable for

• Protecting clothing and spare layers during hiking and camping
• Keeping electronics and documents dry on boats and kayaks
• Storing camera gear, chargers and power banks while cycling or commuting
• Packing items in luggage to prevent moisture damage during travel
• Protecting tools and accessories in dusty or sandy environments

Key specifications

• Closure type: roll-top with sealed construction for waterproof performance
• Material: lightweight waterproof fabric with welded or taped seams
• Capacity: designed as a mega-sized dry bag for bulky items and multiple smaller items
• Weight: engineered to be low weight for easy carrying
• Shape and packability: flexible roll-top design allows compact rolling and efficient packing

How to use

Load items into the bag without overfilling, then align the top edges and roll the opening down at least three times to create a tight seal. Secure the rolled closure according to the bag's fastening system to lock the seal. Store the bag in a stable position or attach it to equipment where appropriate. After use, rinse off dirt or salt and allow the bag to dry fully before long-term storage to maintain the waterproof properties.

Usage recommendations

For best results, avoid sharp objects inside the bag or place them in protective pouches; periodically inspect seams and the closure for wear; and follow manufacturer cleaning instructions to preserve the waterproof coating and seam integrity.