Fabric Handle Strap Add-On for Flask Bottle — 4 Color Options | Replacement Strap | The Calculated Chemist

Give your flask a fresh new look! This Fabric Handle Strap Add-On is the perfect upgrade for your stainless steel flask bottle from The Calculated Chemist. Made from soft, durable polyester, these straps make your bottle easier and more comfortable to carry while adding a pop of personality. Swap out your standard black handle and choose from 4 stylish colors to match your vibe, your outfit, or your favorite flask color. Perfect for everyday use, gifting, or customizing your bottle for work, school, or the lab. ✨ Why you’ll love it: • Soft + strong polyester fabric • Comfortable grip for daily carry • Easy to attach — replaces your standard handle • Available in 4 unique color options • A fun and affordable way to personalize your flask Make your flask uniquely yours — a small upgrade that makes a big difference!