- 106x165 mm in size
- Weather Resistant: Paper within the survey book has excellent strength even when wet. This makes it ideal for adverse weather conditions.
- Durable: Sewn with rot-proof thread, ensures book remains intact in harsh weather conditions.
- Sturdy Cover: Provides firm surface, allowing notes to be written efficiently in the field.
- Rain Proof Cover: Case is bound with wipe clean covers.
