The Topeak MTX Trunk Bag EXP makes use ofTopeak's unique construction process, providing rigidity and water repellency. Compatible with all MTX QuickTrack® racks with attached side frames. MTX Dual Side Frames are required when using side panniers on MTX BeamRacks.Topeak MTX Trunk Bag EXP FeaturesWater bottle holder, Shoulder strapCarrying handle, Elastic top bungees3M™ reflective strip, Safety light clip (3M™ is a registered trademark of 3M Company.)Topeak MTX Trunk Bag EXP SpecificationsAttachment: 1 divided main, Two side with expandable panniersBag Attachment: MTX QuickTrack® with attached side panelsCapacity: 16.6 L / 1010 ciInsulation: Rigid EVA foamMaterial: 600 denier polyesterMax Load: Limited to rack max load ratingSize: 36 x 25 x 21.5 cm / 14.2” x 9.8” x 8.5”Weight: 1195 g / 2.63 lb