best deal on laptop backpack WENIG 17.3 Inch Backpack,Large Travel Laptop Bag with USB Charging Port, Anti Theft Water Resistant Business for Men and Women, Durable Big Capacity Heavy Duty Computer Bag,Black : Electronics 3PCS-Whit lunch bag and Backpack:@Work Large Cargo Backpack - Navy Classic Backpack USB Charging Port

best deal on laptop backpack WENIG 17.3 Inch Backpack,Large Travel Laptop Bag with USB Charging Port, Anti Theft Water Resistant Business for Men and Women, Durable Big Capacity Heavy Duty Computer Bag,Black : Electronics 3PCS-Whit lunch bag and Backpack:@Work Large Cargo Backpack - Navy Classic Backpack USB Charging Port

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Lastly, and most importantly, I only tested zip-top tote bags

Classic Backpack

Backpack:@Work Large Cargo Backpack - Navy

Maximum lens size: 50–150mm f/2.0 or 100–400mm lens

USB Charging Port