Hostelz.com on Instagram: "🧳 Pack a compressible tote bag and keep it flat at the bottom of your backpack. If they flag you at the gate, unzip your pack, pull the tote out, shove a hoodie and book inside, and call it your “duty-free bag.” 🧼 Replace your entire toiletry kit with mini pharmacy blister packs, single-use contact lens cases filled with cream, and flat sheets (like shampoo sheets or soap paper). You can get through security with liquids under 100 ml but the space savings from non-li