Almost Perfect PRO Yoga Mat vs Anti-Slip Dual Color Exercise Yoga Mat: which is safer?

Where these two actually differ

• We flag Volatile organic compounds (VOCs) and formaldehyde off-gassing, Natural rubber protein allergen (latex sensitivity) and Microparticle shedding from foam and rubber degradation on the Manduka and not on the Sunny Health & Fitness.
• We flag VOC and formaldehyde off-gassing, Coating degradation and leaching and Microplastic shedding on the Sunny Health & Fitness and not on the Manduka.
• The Manduka is closed-cell PVC-free foam, rubber top where the Sunny Health & Fitness is Rubber or PVC foam base, coating composition unspecified, which is most of the difference in these two grades.
• The gap is 60 points, wide enough that this is not a close call, and the Manduka is the one to buy.
• We are less certain about the Sunny Health & Fitness grade, at 35% confidence against 88%, because it discloses less.