Silver Black “Topi Gunung” plastic mulch have been used and sold successfully for many years. “Topi Gunung” is available in various widths to meet your needs. “Topi Gunung” mulch film provide the strength required to ensure a tight fit over raised and flat beds, while improving growing conditions. Topi Gunung Mulch Specification; Thickness 35 micron 1. Topi Gunung 40 80 (40) cm x 660 m (17 kg) 2. Topi Gunung 50 100 (50) cm x 528 m x (17 kg) 3. Topi Gunung 60 120 (60) cm x 440 m x (17 kg)