emit natural negative ions
Q: Can we use these to phone call
The compartment is covered with a gap
Dial Window Material Type: Hardlex
Special features: calendar
Multi-Functional Water Resistant USB Laptop Backpack Color:Black emit natural negative ionsBag size: large Capacity: 36 55L Package internal structure: ID bag, mobile phone bag, laminated zipper bag, zipper pocket, computer pocket, camera pocket Opening method: zipper buckle Applicable gender: neutral male and female Material: Canvas Whether with a lock: Yes With or without rain cover: Yes Function: waterproof, breathable, wear resistant, anti theft, lightening, shockproof Processing methods: soft surface Hardness: hard pattern: plain