Greenprint ClearlyCompostable BPI Certified Clear Cups vs Cup Company Grips Plastic Cups SQ1830: which is safer?
Greenprint ClearlyCompostable BPI Certified Clear Cups is our pick: better on PFAS and on the overall hazard picture.
Our pick
Repurposed
Greenprint ClearlyCompostable BPI Certified Clear Cups
PFAS grade
A 100/100
Overall grade
A 92/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Polylactic acid (PLA) bioplastic, BPI-certified compostable
Confidence
78%
PossibleThermal degradation and oligomer leaching
PossibleMicroplastic migration when damaged
Solo
Cup Company Grips Plastic Cups SQ1830
PFAS grade
C 70/100
Overall grade
F 54/100
Verdict
Buy with care
Hazard flags
⚑ 4
Material
polystyrene plastic (PS) with grip coating
Confidence
72%
PossiblePolystyrene monomer and oligomer leaching
PossibleUndisclosed grip-coating additives
PossibleCoating degradation and microplastics
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More coffee cups: see the full ranking