• It is made of high-quality waterproof PU leather material, rainwater does not penetrate easily. Even on rainy days, you can use this bicycle bag without hesitation. It can protect the items in the bag well
• It can easily hold mobile phones, batteries, wallets, glasses, lighters, keys, power banks, repair tools and other bicycle accessories, etc. This is large enough for a daily bike ride or even long journeys
• The 8-inch sensitive clear phone screen touch film improves touch screen sensitivity and makes the image quality clearer. It allows you to use your phone without taking the phone out of the bag 
• With a thick layer of aluminum foil to keep warm and freeze, keeping your food or drink fresh
• The bag has 3 magic tape fasteners, so it can be safer and the tool-free installation is fast
• It is suitable for most bicycles such as MTB, road bike, etc

Specification:

• Material: PU leather + aluminum foil layer for heat preservation/cooling
• Capacity: about 4.5L
• Weight: about 403g
• Size: 22*12*18cm
• Usage: Thermal insulation/picnic/outdoor activities/commuting
• Features: Inner insulation design/easy installation/life waterproof/multiple carrying methods