These smooth, strong bamboo needles are great for any project worked flat! Please note: All CPY needles labeled US 6/4.0mm are truly US 6/4.25mm needles labeled US 19/15.0mm are truly US 19/15.6mm.
Knitter's Pride Zing Single Pointed Needles is a similar needle: straight and US 10 (6.0mm) US size. You may also like Addi FlipStix Needles, which is another similar needle: 9" (23cm) and us 10 (6.0mm) us size.
You may enjoy taking a look at the Berroco Comfort Glen, Blue Sky Alpacas Bulky Four Squares Pillow, and Berroco Comfort Chunky Wee Willie Layette kits all using Crystal Palace Bamboo Single Points Needles.