Based on this product's specifications, here are some alternatives and similar models
Briefcase Rivacase 8823 for laptops up to 33.8 cm (13.3") — polyester, polyurethane, 0.675 kg
Summary description:
The Rivacase 8823 briefcase fits laptops up to 33.8 cm (13.3") and is made of polyester with polyurethane elements. It includes a carrying handle and detachable shoulder strap for comfortable transport, weighs 0.675 kg and has a monochrome black finish. Designed for daily use, it protects your device while offering a compact, lightweight solution for commuting and business travel.