The Best Silicone Waterproof Smartphone Cases of 2026
All 8 platinum and food-grade silicone in our waterproof smartphone cases database, graded Bad to Excellent and ranked lowest risk first. 8 earn a buy-worthy grade.
All 8 silicone waterproof smartphone cases, best graded first
- silicone elastomer
- We found no PFAS statement from the brand
- Bacterial or fungal growth from moisture retention
Motorola
Moto Silicone Watch Band Sports Strap Replacement Bracelet Black 1 / 20MM
85ExcellentPFAS grade
- Silicone elastomer (no coating disclosed)
- We found no PFAS statement from the brand
- Microplastic shedding or coating degradation over time
2 hazards checked on this product, all on its full breakdown.
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- Rubber/silicone strap, elastomer band
- We found no PFAS statement from the brand
- Silicone degradation and particulate shedding
4 hazards checked on this product, all on its full breakdown.
- Silicone band, plastic/polymer components
- We found no PFAS statement from the brand
- Silicone band skin irritation or allergic contact dermatitis
4 hazards checked on this product, all on its full breakdown.
- Stainless steel case, silicone band, glass display
- We found no PFAS statement from the brand
- Silicone band degradation and microbial growth
3 hazards checked on this product, all on its full breakdown.
TomTom
Hot tomtom spark music and cardio gps Top Sale TomTom Spark Music Cardio Small Watch Purple Haze Sportique
85ExcellentPFAS grade
- Plastic casing with silicone band, waterproofed
- We found no PFAS statement from the brand
- Seal degradation and water ingress
- Silicone band with stainless steel case
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel case
3 hazards checked on this product, all on its full breakdown.
- Stainless steel case, sapphire crystal, silicone/rubber strap
- We found no PFAS statement from the brand
- Nickel release from stainless steel case (contact dermatitis)
3 hazards checked on this product, all on its full breakdown.
Every material, ranked together, is in the full waterproof smartphone cases ranking →