Compatibility: Compatible with Cirkul water bottles. Specifically designed for both the plastic and stainless steel bottles. This neoprene sleeve ensures a snug and secure fit, reducing condensation from your bottle. High-Quality Neoprene Material: Crafted from premium neoprene, this sleeve effectively absorbs sweat, preventing dampness on your desk, in your car, or inside your bag, ensuring a mess-free drinking experience. Insulation for Optimal Temperature: The insulated cover maintains the temperature, providing a consistent taste from the first sip to the last. Holds ice for 4x as long compared to no sleeve. Tailor-Fitted Design: Not just functional but stylish too! The sleek design complements the bottle's aesthetics. Our tailor fitted design ensures your bottle has full protection against scratches and dents. The custom shape improves ergonomics when holding. Easy Care & Durable Construction: Made for regular use, the Jmoe USA sleeve is simple to clean and stands up to daily wear and tear. Its durability ensures your bottle always looks its best while staying protected.