MEDLT foot warmers are air-activated, easy-to-use. Provides soothing warmth up to 9-10 hours. No need for wires and power bank, a very convenient solution for keeping your feet warm during the winter time. Intended Use: For people with Raynaud's Syndrome or poor blood circulation, outdoor activities like camping, sporting events, hunting, hiking, skiing, fishing, winter golf, football, and working in cold temperatures. Notice: Heating time varies with exposure level and surrounding temperature. Use tips :1.Remove warmer from outer package 2.When the warmers are sufficiently warm, place in your shoes or boots 3.Warmer reaches full heat in 15-30 minutes 4.If heat decreases, expose warmer to air, it will get heated again. 5.Dispose when packet no longer heats up. Caution: 1.Do not use while sleeping. 2.Do not attach warmers directly to skin. 3.DO NOT microwave or use with other heating devices. 4.Stop use if overheating, swelling or blisters occur during use. 5.Do not open package prior to use. 6.Do not open, tear or puncture the warmer pack. 7.Not for people who are less sensitive to temperature, like diabetic, pregnant women, elderly, toddlers and infants. 8.Child use must be under adult supervision. 9.Do not trim the warmer.

DETAILS: High quality non-woven breathable fabric, runs full length of insole to keep entire foot warm; 20 Pairs per box, 40 total pcs; Shelf life: 3 years; Environment-friendly; After use, dispose with regular garbage; TSA approved. SHOE SIZE: Measures 10.4 x 3.35 inches, Fits standard shoe sizes of women’s 9.5-11.5 and Men’s 8.5 to 10.5; Note: the insole cannot be trimmed. INDOOR & OUTDOOR USE: The disposable sole warmer is designed to bring you everyday warmth, keeps your feet warm and toasty for up to 10 hours; also great for people with Raynaud's Syndrome or poor blood circulation; Excellent for camping, hunting, hiking, skiing, fishing, winter golf, football, and people working in cold temperatures. CONVENIENT: Thin and lightweight; Easy option compared to electric socks with wires and a power bank; To activate, remove warming pads from package and the contents react to oxygen in the air and generates heat quickly and safely; Reaches full heat in 15-30 minutes; If heat decreases, expose warmer to air and it will heat up again. INSTANT, LONG-LASTING HEAT: Air-activated, MEDLOT foot warmers bring instant heat to your feet and toes by simply putting them inside shoes; up to 10 hours of soothing warmth; TSA approved & odorless.

Reusability: Single Use. Charging Time: 10 Hours. Brand: MEDLOT. Size: 10.2x3.3in. Date First Available: January 6, 2022. Best Sellers Rank: #43,654 in Sports & Outdoors. Customer Reviews: 4.1 out of 5 stars 55 ratings 4.1 out of 5 stars. : B09F9L7V9C. Size: ?10.2x3.3in. Brand Name: ?MEDLOT. Package Weight: ?2.28 Kilograms. Item Package Dimensions L x W x H: ?12.24 x 6.22 x 4.65 inches.