- Design your everyday with Twice backpack you will love to snuggle up with. Match your style with patterns and designs from our professional design team. Original design. Create a personalized gift with a photo of your favorite celebrity. Material: This backpack is made of water resistant and durable Oxford cloth with metal zippers. Product Size: 16.5" * 12.5" * 5.5" Applicable People: Recommended for Age 6+ Applicable Scene: School, travel, climbing, shopping, zoo, park, outdoor sports, etc.
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