Sea To Summit Frontier UL Collapsible Cup Brand_SealLine Efficiency: 91 %

Efficiency: 91 %

Coupler size mates two pads together

Effortless wide-leg

Do Not Use Powdered Detergent

The Dynamic Cushioning Gel Concept is a technology developed by SIDAS to guarantee total comfort for your feet daily

Sea To Summit Frontier UL Collapsible Cup Brand_SealLine Efficiency: 91 %Building on over a decade of experience in collapsible drinkware, the Frontier Collapsible Cup has been engineered to be sleeker, more ergonomic and lighter. Glass reinforced nylon 66 is used for the base, rim and centre ring providing more stability and allowing you to grip the cup more easily. EU food grade silicone rubber sidewalls let the cup shrink down to less than 2cm in height. Designed to nest stack, these cups really do fit in anywhere