Sea to Summit  Delta Insul Mug

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Past season
This mug features a groundbreaking advancement in thermal insulation. We use an integrated molded Polyurethane sleeve that actually insulates the liquid inside the mug, unlike double-walled mugs which only protect your hands but don't necessarily keep your beverages hot or cold. Well designed leak-proof sipping lid has an ergonomic rolled edge and thumb grip with hang loop. Excess liquid flows back into the sipping hole because of the concave design of the lid.

Features
• Ultra-durable food grade Nylon 66 inner is BPA free
• Fitted, ThermoSkin non-absorbing insulation sleeve
• Patent-pending Protex™ hex pattern base
• Leak proof sipping lid
• Assorted colors: Blue, Orange, Green, Grey
• Please note that Delta products should not be used in a microwave (early production versions incorrectly had a microwave-safe symbol)

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