To check the size you require, measure across the diameter of the rubber seal. Sizes Outside diameter Inside diameter1 Cup 52mm 39mm2 Cup 54mm 42mm4 Cup 65mm 50mm6 Cup 71mm 54mm9 Cup 82mm 62mm12 Cup 90mm 74mmMaterial: Food Grade Silicone. Soft silicone constructed better sealing,safe and not deformed, will not crack, or leak.
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This product has multiple variants. The options may be chosen on the product page
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This product has multiple variants. The options may be chosen on the product page
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This product has multiple variants. The options may be chosen on the product page
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This product has multiple variants. The options may be chosen on the product page
