15 ThermaFreeze Black Damask DESIGNER EDITION Reusable Ice Pack Sheets - 15 Piece COMBO PACK - 5 XL 10x15 and 10 Large 7.5x10 inch sheets - Reusable, Flexible, Non-Toxic - Lasts hours longer than ice Reusable gel ice packs. Higher performance colder, faster, longer. Durable two sided structure. Flexibility to wrap around anything. Non toxic and eco friendly.