Amazon has the Under Armour Hustle Pro Backpack (1367060, Silver) for $33 with free shipping on $35+ or with Prime. Features highly water-resistant & stain-resistant finish, adjusted straps, breathable air-mesh back panel, holds up to 15"MacBook Pro or similarly sized laptop.
Has excellent Amazon Reviews.
Amazon has the Under Armour Hustle Pro Backpack (1367060, Silver) for $33 with free shipping on $35+ or with Prime. Features highly water-resistant & stain-resistant finish, adjusted straps, breathable air-mesh back panel, holds up to 15"MacBook Pro or similarly sized laptop.
Has excellent Amazon Reviews.
$33
Amazon has the adidas Women's Airmesh Convertible Mini Backpack-Crossbody Bag (979128, Alumina Beige, One Size) for $29 with free shipping on $35+ or with Prime. List price: $40. Features can be worn as a crossbody or backpack, adjustable shoulder straps - adjusts up to 67 inches.
Has excellent Amazon Reviews.
Amazon has the Fila Drone Travel Gym Sport Duffel Bag (Small, Navy/Blue) for $25 with free shipping on $35+ or with Prime. List price: $40. Features honeycomb ripstop polyester, spacious main compartment,eEasy access front pocket, adjustable shoulder strap, exovent ventilation, side mesh pocket. Measures 11.5" x 19" x 12".
Has excellent Amazon Reviews.
eBay has the PUMA Eclipse Kids' 18.5" Backpack (Gray/Black/Floral) for $16 - 30% off in cart = $11 with free shipping.
eBay has the All In Motion? Faux Neoprene 17" Backpack (Sage Green) for $14 with free shipping.