Eastsport Sporty Mesh Trap Single Strap Backpack, Black Breathable Material Properties; Durable Polyester Mesh Construction Large Main Zip Compartment; Front easy access mesh pocket Single Contour Adjustable Padded Shoulder Strap; Top Webbing Loop Easy Glide Zippers with Chorded Pulls; Dimensions: 21 by 15 by 5.5 Inches MSRP $19.99; Limited Lifetime Guarantee