These 26 homemade sex toys are all sex expert-approved—so you know they're both fun and safe to use. “Generally speaking, it is safe to use household items that are made from body-grade or medical-grade silicone, ABS plastic, stainless steel, or glass,” says Gigi Engle, a COSRT-certified sex and relationships psychotherapist and associate clinician at The Therapy Yard. 26 Household Items That Double As Sex Toys