... Material is neoprene 2) All kinds of Neoprene lunch bags *Available in various colors ,PMS specified ... cooler or warmer up to 4 hours. Lunch bags Verified Information This information is Verified by ... Laptop Sleeve 150,000 Pieces / Month, Neoprene Lunch Bag 80,000 Pieces / Month, Neoprene Sport ... Month Neoprene Laptop Sleeve 800,000 Pieces, Neoprene Lunch Bag 350,000 Pieces, Neoprene Sport Supports 100 ...