Deuter Light Drypack 15 azure Flap on the bottom for hanging up Roll closure: Before closing the buckle: roll up at least three times to keep the contents dry Caution: not suitable for situations where the Drypack is submerged under water. Material with 10,000 mm water column protects against dust or heavy rain D-ring for fastening sealed seams efficient packing thanks to rectangular base shape Features: Lightweight PFC free Material: 40D PA Ripstop Material with 10,000 mm water column protects against dust or heavy rain