Flexible drum that reduces its size as you drink to minimize spills or the bouncing of the liquid inside. Recommendation before the first use: Rinse with lemon juice (50%) and water (50%) leave the mixture for 2 hours inside and rinse with plenty of water. 5 available formats:

• 200 ml Cup.
• 250 ml narrow.
• 300 ml wide.
• 500 ml narrow.
• 500 ml wide.

Technical information:

• Soft Flak composition: All BPA free.
• Bottle body: Thermoplastic polyurethane (TPU).
• Plug: Polypropylene (pp).
• Biting: Silica gel.

Ability: