Product Description Previous page Next page 1 Hunker 2 Apartment Theraphy 3 RealSimple Previous page Next page Which BedShelfie is right for you? Original Plus Cup Holder Slide For Beds with a Side Rail ✔ ✔ ✔ ✘ For Box Spring Beds/Flat Base ✘ ✘ ✘ ✔ Clamp vs Slide Clamp: 7.8 cm Clamp: 7.8 cm Clamp: 7.8 cm Slide (No Clamp) Tray Size 34.9 cm x 24 cm 48.8 cm x 29.2 cm 43.1 cm x 29.4 cm 34.9 cm x 24 cm Material Bamboo Bamboo Eco-Plastic Bamboo Colours Black / White / Grey / Natural Black / White / Grey / Natural Black / White Black / White / Natural I have a bed frame with a square-ish side rail, which model should I buy? The BedShelfie Original / Plus / Cup Holder models will work best. The clamp has the largest range on the market from 0.0 to 3.1 inches large! It fits most beds with a bed rail I have a bed with a flat base without a lip – like a Box Spring bed or Platform bed, which model should I buy? The BedShelfie Slide model will work best I have a bunk bed / lofted bed, which model should I buy? For bunk beds that have a square rail (not a round rail) the BedShelfie Original / Plus and Cup Holder models will work best. I still have questions about fit, what should I do? Would love to hear from you, simply click “Smallish” next to “Add to List” in the top right hand corner.. then Click “Ask” – Chris, the Founder, will personally answer each and every question within a matter of hours