All of these pearlescent cards are 300gsm apart from Antique Gold, Lapislazuli and Mars which are 285gsm. All are double sided.
Wallets can be supplied flat, or for a small extra charge can be taped and folded so they arrive with you ready to use. If you are self assembling we recommend using the ultra clear tape which can be found at the following link on our site - Ultra Clear Tape
We recommend the following insert sizes for these wallets: 80x212mm (85x215 wallet), 85x197mm (90x200 wallet), 120x122mm (125x125 wallet), 141x144mm (146x146 wallet), 100x70mm (107x78 wallet), 100x149mm (105x152 wallet), 100x212 (105x215 wallet), 210x297mm (Doc Wallet), 100x140mm (105x148 Boarding Pass), 90x200mm (99x210 Boarding Pass.
Inserts can be ordered from the following link - http://www.pdacardandcraft.co.uk/card-uncreased.html