Rhyolite Tumbler Sleeve with Phone Holder

• Materials: Neoprene
• Production tech: Sublimation
•  This sleeve keeps your cup steady while the built-in phone holder adds convenience—ideal for on-the-go sips without spills or slips.
• The inner insulation layer helps maintain your drink’s temperature, keeping beverages hot or cold longer for fresh-tasting sips every time.
• Features a stretchy side pocket to securely hold your phone and a front slot for cards/keys—perfect for commutes, travel, or workouts.