Features: Safety: Kids ice packs made with medical grade gel & 100% BPA free materials which are completely safe for your child's skin. Non toxic and safe for sensitive skin. Thick medical grade plastic is lined and sealed to prevent leakage or puncture. Soothing Boo Boo Pain: Toddler ice packs provide comfort & distraction to help your littles forget about their injuries, fever, joint pain, wisdom teeth, headache, sinus pressure, allergies, nose bleeds and more. Quick & ideal for relieving adult injuries, breastfeeding, aches, bumps and bruises or pains, helping swelling go down faster. Unique Sleeves & Perfect Size: It's best to wrap baby ice pack to avoid frostbiting or burning kids skin. Our own soft sleeve perfect solution for this problem. Each gel pack(Size:4.5"X4.5"), making them the perfect size for all ages and easily usable on any body part - even joints and hard to reach places. The small size means they're easily to keep in a first aid kit, backpack, vehicle, or anywhere you might need them. Dual Temperature Use: Cold use by freezing gel pack in freezer for at least 2 hours;or heat them up in microwave for 10 seconds below 850W for heat therapy, help to relieve and relax.