Crafted with durable, spill-resistant neoprene fabric, this Boot Cup Sleeve blends insulation with everyday practicality. Its stretchable design delivers a snug, secure fit for most cup sizes—ideal for outdoor outings, commutes, office days, picnics, or coffee runs. Lightweight and foldable, it’s easy to stash in bags when unused, and the waterproof lining prevents leaks and condensation. Multiple trendy colors available. Custom screen printing logo supported, free shipping.