Kovoq Freestyle Libre 2 Sensor Covers,25Pcs Waterproof Adhesive Patches & 1Pcs Reusable Hardshell Cover,Libre 2 Sensor Covers,Breathable CGM Sensor Patch,1 Hand Patche Remove (Tan) 25x Tan sold2025 selenite is often referred to quick drying selenite is often referred to as liquid light as it literally allows liquid like light fluidity You can use it for several different applications since it is highly versatile and helpful for light sleeper and those who have trouble falling asleep in the night they are also waterproof and sweatproof The hard shell covers are specifically designed for FreeStyle Libre 1 2 without blocking the airflow nor affecting the data reading