1. Internal aluminum foil, water and oil resistant, easy to clean 2. Reinforced and widened handles for durability 3. Hot pressing process, one-piece molding, multiple reinforcement, prevent leakage 4. Self-adhesive surface, easy to glue, repeated use, heat preservation and cold preservation. 5. Keep warm, keep cold, lock the flavor 6. Size: small about 26 x 21 x 11cm, medium about 24 x 24 x 15cm, large about 26 x 26 x 17cm, extra large about 30 x 30 x 20cm 7. Material: non-woven fabric, aluminum foil
