This battery protective sleeve is the practical accessory for ensuring your batteries remain secure and functional. The robust plastic construction provides reliable protection, while the white finish adds a touch of elegance. Ideal for both professional and personal use, this battery adapter cover helps you keep your batteries in optimal condition. Features -Color:Transparent -Material:Plastic -Size:6.10X2.40X2.40cm/2.40X0.94X0.94in -Robust construction: made from sturdy plastic, this protective battery adapter is built to be durable and reliable, ensuring longterm use without degradation -Thermal insulation: the battery sleeve effectively insulates the battery, preventing heat buildup and extending the battery's lifespan by reducing thermal stress -Simple installation: designed for ease of use, this battery protector adapter allows for quick and easy installation and removal, making battery replacement a breeze -Minimalist design: with its sleek and simple design, this battery sleeve protector blends effortlessly with various devices, ensuring a fit -Comprehensive safety: the battery sleeve offers excellent insulation, providing safety protection by preventing circuits and electrical leakage Package list: 4 pcs x 30pcs sleeve