For those with bags without compression straps, a simple hack to compress your bag, just use a belt with buckle. This is decathlon NH500 escape 32L, great bag but no compression straps.

For those with bags without compression straps, a simple hack to

Hiking Backpack 23 L - NH 500 Yellow - Yellow ochre - Quechua

Utility Straps with Buckle Quick-Release Adjustable Nylon Straps

QUECHUA Hiking backpack 32L - NH Escape 500 detailed review

Hiking Backpack 23 L - NH 500 Yellow - Yellow ochre - Quechua

Alician Rope Tighter Cargo Strap Luggage Belt Tightening Tie Down

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Hiking backpack 32L - NH Escape 500 - Decathlon

Quechua NH Escape 500 32 L Hiking Backpack

Hiking backpack 32L - NH Escape 500 - Decathlon

Hiking Backpack 23 L - NH 500 Yellow - Yellow ochre - Quechua

NH 500 ESCAPE 32 L Quechua by Decathlon - The best budget EDC

Hiking Backpack 32 L - NH Escape 500 Black - black, Hazelnut