MaterialStrengthsBest forDownside
Heat-resistant glassBoiling liquids, microwave, stain-proof, clear readThe main cupHeavy; breaks if dropped
Plastic (PP)Light, cheap, shatterproofKids helping, backup cupStains, clouds, warps with heat
StainlessIndestructible, oven-adjacent durabilityDry-style scooping, rough handlingCan't see the level; no microwave
Rice cup (180 ml)Exactly one gou of riceRice, with the cooker's water linesNot a 200 ml cup — don't mix them up