WORLD-BIO Cold Pack, Ice Pack, Icing Gel Pack, Lunch Box,

• [High-quality gel material] This mini ice pack is made of BPA-free vegetable-based natural polymer gel material, which is very safe and lightweight, making it the perfect ice pack for daily use in lunch boxes. • [Excellent Sealing & Durability] This ice pack is more convenient than traditional ice bags because it almost never leaks, so you don't have to worry about getting your lunch bag wet when using it.It is also a very economical icing product that can be used over and over again. • [Innovative hot and cold type] ① Cooling method: Simply soak the gel pack in water for 3 to 5 minutes and place it in the freezer for 6 to 10 hours.Note: For maximum cooling power, freeze overnight.②Heating method: Soak the gel pack in water for 3 to 5 minutes, then heat each side in the microwave for about 30 seconds.Note: If not hot enough, heat in 10 second increments until desired temperature is reached. • 【Slim and Compact】The size of this cold pack is 15cm*10cm*2cm, slim and compact, easy to put into all kinds of lunch bags, lunch boxes, breast milk bags, and cooler boxes.It weighs only 10g before absorbing water, making it a very convenient cooling product to carry and store. • [Multi-purpose] This small ice bag is not only used as an ice pack in a cooler box, but it is also useful in a variety of situations, such as heating and cooling care after sports, heat stroke prevention, hay fever, colds, wisdom teeth extraction, icing after beauty treatments, warming packs for those who are sensitive to cold, etc., making it an essential item in daily life!