Especially created for overnight protection, Always Ultra Secure Night Sanitary Towels offer Extra Night Coverage with a 60% larger back (Versus Always Ultra Normal sanitary towels). This offers even more protection against leakage, no matter how much you may toss and turn throughout the night. Always Ultra has liquid-locking gel and gel can't leak. This is because the gel pulls fluid in to prevent leakage. It also contains Odour Neutralising Technology which blocks odours and doesn't just mask them. Always Ultra Night sanitary towels are 3mm thin, yet provides up to 100% protection at night for a great feeling of comfort. Always Secure Night sanitary towels have wings on the side so the sanitary towel stays in place when you move at night. Always offers the best overnight protection against leakage during your menstrual cycle.