The Sea to Summit X-Mug is constructed from a flexible, European standard compliant, food grade silicone. A rigid ring within the rim keeps it sturdy and easy to drink out of but still allows the mug to be collapsed to a disk that will fit in the palm of your hand!

• Unbreakable, folds flat for compact packing
• Food grade flexible silicone
• Unique design
• BPA free
• Height: 8.5 cm
• Diameter: 11 cm
• Volume: 0.48L
• Weight: 60 grams