・ Body size: 46cm x 172cm (flat) ・ Belt size: 55cm x 64cm ・ Weight: 350g ・ Material: 100% cotton ・ Features: Adjustable with Velcro / Machine washable / Lightweight and easy to carry ■ Anti-rollover design: Gently holds and prevents unnecessary rolling over ■ Skin-friendly 100% cotton: Provides a sense of security like being wrapped in a swaddle ■ Easy to attach: Just wrap it around the mat or bed! Velcro makes size adjustment easy ■ Easy care: Machine washable for cleanliness at all times ■ Convenient to carry: Lightweight & compact, perfect for travel and visiting relatives Anti-rollover belt for babies, prevents face-down sleeping, prevents rolling over, prevents suffocation, safe, secure sleep, swaddling, night, baby bed, mattress, nap, easy to install, newborn, washable, sleep support