Top Spiral Notebook Features Wire-O BindingImpact-resistant Wire-O doesn’t get bent out of shape when tossed around in packs or your pocket. Polydura CoverThe Polydura cover creates a tough but flexible outer shell defending your notes from scratches and stains. Rulers & ReferenceRulers, conversion charts, and map scales printed on the cover prove handy in the field. COVER MATERIAL: Polydura, 19 gauge REFERENCE: Imperial & metric rulers, conversion table, map scale BINDING STYLE: Wire-O PROPERTIES: Rust-resistant FINISH: Rounded Corners ALL-WEATHER PAPER SHEET SIZE: 3" x 5" PAGES: 100 pages / 50 sheets WEIGHT: 20# Rite in the Rain PERFORATED: No PAGE PATTERN Pattern: Universal NUMBERED: No TABLE OF CONTENTS: No SINGLE UNIT SIZE: 3" x 5.25" x .375" WEIGHT: .12 lbs MANUFACTURED: U.S.A. PACKAGE QTY: 1 SIZE: 3" x 6.5" x .375" WEIGHT: .12 lbs