Compatibility: 6.8 inch case for Kindle Paperwhite / Signature Edition 11th Gen 2021. Model: M2L3EK/M2L4EK. Please check that the size and model match your device before ordering. Secure one‑hand hold: Built‑in hand strap on the back makes it easy to hold your Kindle firmly with one hand. Reduces hand strain and lowers the chance of accidental drops during long reading sessions. Reliable protection: Soft TPU back shell absorbs shocks from impacts and drops, while the soft microfiber interior cushions the screen and prevents scratches and abrasion. Designed to reduce damage from everyday use without adding bulk. Material and feel: Flexible yet durable soft TPU exterior combined with a gentle microfiber lining for balanced protection and a comfortable in‑hand feel. Auto Sleep/Wake: The cover supports automatic sleep/wake functionality. Opening the cover wakes the device; closing it puts the device to sleep, helping conserve battery life for longer reading time. Use scenarios: Commuting: Hold with one hand on buses or trains while keeping your other hand for a strap or rail. Bedtime reading: Comfortable one‑hand grip lets you read in bed without worrying about drops or screen scratches. Travel and outdoor use: Lightweight protection helps guard against bumps and abrasion during trips and daily carry. What this case delivers: correct fit for the specified 11th Gen Kindle Paperwhite models, a comfortable one‑hand grip, reliable shock and scratch protection from TPU and microfiber construction, and power savings via auto sleep/wake.